20491233120

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2887}}^1$

素因数の和:2995

約数の個数: 384

約数和(自身を含む): 75455815680

約数和(自身を除く): 54964582560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 53, 54, 60, 62, 72, 80, 90, 93, 96, 106, 108, 120, 124, 135, 144, 155, 159, 160, 180, 186, 212, 216, 240, 248, 265, 270, 279, 288, 310, 318, 360, 372, 424, 432, 465, 477, 480, 496, 530, 540, 558, 620, 636, 720, 744, 795, 837, 848, 864, 930, 954, 992, 1060, 1080, 1116, 1240, 1272, 1395, 1431, 1440, 1488, 1590, 1643, 1674, 1696, 1860, 1908, 2120, 2160, 2232, 2385, 2480, 2544, 2790, 2862, 2887, 2976, 3180, 3286, 3348, 3720, 3816, 4185, 4240, 4320, 4464, 4770, 4929, 4960, 5088, 5580, 5724, 5774, 6360, 6572, 6696, 7155, 7440, 7632, 8215, 8370, 8480, 8661, 8928, 9540, 9858, 11160, 11448, 11548, 12720, 13144, 13392, 14310, 14435, 14787, 14880, 15264, 16430, 16740, 17322, 19080, 19716, 22320, 22896, 23096, 24645, 25440, 25983, 26288, 26784, 28620, 28870, 29574, 32860, 33480, 34644, 38160, 39432, 43305, 44361, 44640, 45792, 46192, 49290, 51966, 52576, 57240, 57740, 59148, 65720, 66960, 69288, 73935, 76320, 77949, 78864, 86610, 88722, 89497, 92384, 98580, 103932, 114480, 115480, 118296, 129915, 131440, 133920, 138576, 147870, 153011, 155898, 157728, 173220, 177444, 178994, 197160, 207864, 221805, 228960, 230960, 236592, 259830, 262880, 268491, 277152, 295740, 306022, 311796, 346440, 354888, 357988, 389745, 394320, 415728, 443610, 447485, 459033, 461920, 473184, 519660, 536982, 591480, 612044, 623592, 692880, 709776, 715976, 765055, 779490, 788640, 805473, 831456, 887220, 894970, 918066, 1039320, 1073964, 1182960, 1224088, 1247184, 1342455, 1377099, 1385760, 1419552, 1431952, 1530110, 1558980, 1610946, 1774440, 1789940, 1836132, 2078640, 2147928, 2295165, 2365920, 2416419, 2448176, 2494368, 2684910, 2754198, 2863904, 3060220, 3117960, 3221892, 3548880, 3579880, 3672264, 4027365, 4131297, 4157280, 4295856, 4590330, 4743341, 4832838, 4896352, 5369820, 5508396, 6120440, 6235920, 6443784, 6885495, 7097760, 7159760, 7344528, 8054730, 8262594, 8591712, 9180660, 9486682, 9665676, 10739640, 11016792, 12082095, 12240880, 12471840, 12887568, 13770990, 14230023, 14319520, 14689056, 16109460, 16525188, 18361320, 18973364, 19331352, 20656485, 21479280, 22033584, 23716705, 24164190, 24481760, 25775136, 27541980, 28460046, 32218920, 33050376, 36722640, 37946728, 38662704, 41312970, 42690069, 42958560, 44067168, 47433410, 48328380, 55083960, 56920092, 64437840, 66100752, 71150115, 73445280, 75893456, 77325408, 82625940, 85380138, 94866820, 96656760, 110167920, 113840184, 128070207, 128875680, 132201504, 142300230, 151786912, 165251880, 170760276, 189733640, 193313520, 213450345, 220335840, 227680368, 256140414, 284600460, 330503760, 341520552, 379467280, 386627040, 426900690, 455360736, 512280828, 569200920, 640351035, 661007520, 683041104, 758934560, 853801380, 1024561656, 1138401840, 1280702070, 1366082208, 1707602760, 2049123312, 2276803680, 2561404140, 3415205520, 4098246624, 5122808280, 6830411040, 10245616560, 20491233120]

約数ペア:

[(1, 20491233120), (2, 10245616560), (3, 6830411040), (4, 5122808280), (5, 4098246624), (6, 3415205520), (8, 2561404140), (9, 2276803680), (10, 2049123312), (12, 1707602760), (15, 1366082208), (16, 1280702070), (18, 1138401840), (20, 1024561656), (24, 853801380), (27, 758934560), (30, 683041104), (31, 661007520), (32, 640351035), (36, 569200920), (40, 512280828), (45, 455360736), (48, 426900690), (53, 386627040), (54, 379467280), (60, 341520552), (62, 330503760), (72, 284600460), (80, 256140414), (90, 227680368), (93, 220335840), (96, 213450345), (106, 193313520), (108, 189733640), (120, 170760276), (124, 165251880), (135, 151786912), (144, 142300230), (155, 132201504), (159, 128875680), (160, 128070207), (180, 113840184), (186, 110167920), (212, 96656760), (216, 94866820), (240, 85380138), (248, 82625940), (265, 77325408), (270, 75893456), (279, 73445280), (288, 71150115), (310, 66100752), (318, 64437840), (360, 56920092), (372, 55083960), (424, 48328380), (432, 47433410), (465, 44067168), (477, 42958560), (480, 42690069), (496, 41312970), (530, 38662704), (540, 37946728), (558, 36722640), (620, 33050376), (636, 32218920), (720, 28460046), (744, 27541980), (795, 25775136), (837, 24481760), (848, 24164190), (864, 23716705), (930, 22033584), (954, 21479280), (992, 20656485), (1060, 19331352), (1080, 18973364), (1116, 18361320), (1240, 16525188), (1272, 16109460), (1395, 14689056), (1431, 14319520), (1440, 14230023), (1488, 13770990), (1590, 12887568), (1643, 12471840), (1674, 12240880), (1696, 12082095), (1860, 11016792), (1908, 10739640), (2120, 9665676), (2160, 9486682), (2232, 9180660), (2385, 8591712), (2480, 8262594), (2544, 8054730), (2790, 7344528), (2862, 7159760), (2887, 7097760), (2976, 6885495), (3180, 6443784), (3286, 6235920), (3348, 6120440), (3720, 5508396), (3816, 5369820), (4185, 4896352), (4240, 4832838), (4320, 4743341), (4464, 4590330), (4770, 4295856), (4929, 4157280), (4960, 4131297), (5088, 4027365), (5580, 3672264), (5724, 3579880), (5774, 3548880), (6360, 3221892), (6572, 3117960), (6696, 3060220), (7155, 2863904), (7440, 2754198), (7632, 2684910), (8215, 2494368), (8370, 2448176), (8480, 2416419), (8661, 2365920), (8928, 2295165), (9540, 2147928), (9858, 2078640), (11160, 1836132), (11448, 1789940), (11548, 1774440), (12720, 1610946), (13144, 1558980), (13392, 1530110), (14310, 1431952), (14435, 1419552), (14787, 1385760), (14880, 1377099), (15264, 1342455), (16430, 1247184), (16740, 1224088), (17322, 1182960), (19080, 1073964), (19716, 1039320), (22320, 918066), (22896, 894970), (23096, 887220), (24645, 831456), (25440, 805473), (25983, 788640), (26288, 779490), (26784, 765055), (28620, 715976), (28870, 709776), (29574, 692880), (32860, 623592), (33480, 612044), (34644, 591480), (38160, 536982), (39432, 519660), (43305, 473184), (44361, 461920), (44640, 459033), (45792, 447485), (46192, 443610), (49290, 415728), (51966, 394320), (52576, 389745), (57240, 357988), (57740, 354888), (59148, 346440), (65720, 311796), (66960, 306022), (69288, 295740), (73935, 277152), (76320, 268491), (77949, 262880), (78864, 259830), (86610, 236592), (88722, 230960), (89497, 228960), (92384, 221805), (98580, 207864), (103932, 197160), (114480, 178994), (115480, 177444), (118296, 173220), (129915, 157728), (131440, 155898), (133920, 153011), (138576, 147870)]