20129221440

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{8291}}^1$

素因数の和:8598

約数の個数: 224

約数和(自身を含む): 71272725120

約数和(自身を除く): 51143503680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 281, 288, 320, 360, 432, 480, 540, 562, 576, 720, 843, 864, 960, 1080, 1124, 1405, 1440, 1686, 1728, 2160, 2248, 2529, 2810, 2880, 3372, 4215, 4320, 4496, 5058, 5620, 6744, 7587, 8291, 8430, 8640, 8992, 10116, 11240, 12645, 13488, 15174, 16582, 16860, 17984, 20232, 22480, 24873, 25290, 26976, 30348, 33164, 33720, 37935, 40464, 41455, 44960, 49746, 50580, 53952, 60696, 66328, 67440, 74619, 75870, 80928, 82910, 89920, 99492, 101160, 121392, 124365, 132656, 134880, 149238, 151740, 161856, 165820, 198984, 202320, 223857, 242784, 248730, 265312, 269760, 298476, 303480, 331640, 373095, 397968, 404640, 447714, 485568, 497460, 530624, 596952, 606960, 663280, 746190, 795936, 809280, 895428, 994920, 1119285, 1193904, 1213920, 1326560, 1492380, 1591872, 1790856, 1989840, 2238570, 2329771, 2387808, 2427840, 2653120, 2984760, 3581712, 3979680, 4477140, 4659542, 4775616, 5969520, 6989313, 7163424, 7959360, 8954280, 9319084, 11648855, 11939040, 13978626, 14326848, 17908560, 18638168, 20967939, 23297710, 23878080, 27957252, 34946565, 35817120, 37276336, 41935878, 46595420, 55914504, 62903817, 69893130, 71634240, 74552672, 83871756, 93190840, 104839695, 111829008, 125807634, 139786260, 149105344, 167743512, 186381680, 209679390, 223658016, 251615268, 279572520, 314519085, 335487024, 372763360, 419358780, 447316032, 503230536, 559145040, 629038170, 670974048, 745526720, 838717560, 1006461072, 1118290080, 1258076340, 1341948096, 1677435120, 2012922144, 2236580160, 2516152680, 3354870240, 4025844288, 5032305360, 6709740480, 10064610720, 20129221440]

約数ペア:

[(1, 20129221440), (2, 10064610720), (3, 6709740480), (4, 5032305360), (5, 4025844288), (6, 3354870240), (8, 2516152680), (9, 2236580160), (10, 2012922144), (12, 1677435120), (15, 1341948096), (16, 1258076340), (18, 1118290080), (20, 1006461072), (24, 838717560), (27, 745526720), (30, 670974048), (32, 629038170), (36, 559145040), (40, 503230536), (45, 447316032), (48, 419358780), (54, 372763360), (60, 335487024), (64, 314519085), (72, 279572520), (80, 251615268), (90, 223658016), (96, 209679390), (108, 186381680), (120, 167743512), (135, 149105344), (144, 139786260), (160, 125807634), (180, 111829008), (192, 104839695), (216, 93190840), (240, 83871756), (270, 74552672), (281, 71634240), (288, 69893130), (320, 62903817), (360, 55914504), (432, 46595420), (480, 41935878), (540, 37276336), (562, 35817120), (576, 34946565), (720, 27957252), (843, 23878080), (864, 23297710), (960, 20967939), (1080, 18638168), (1124, 17908560), (1405, 14326848), (1440, 13978626), (1686, 11939040), (1728, 11648855), (2160, 9319084), (2248, 8954280), (2529, 7959360), (2810, 7163424), (2880, 6989313), (3372, 5969520), (4215, 4775616), (4320, 4659542), (4496, 4477140), (5058, 3979680), (5620, 3581712), (6744, 2984760), (7587, 2653120), (8291, 2427840), (8430, 2387808), (8640, 2329771), (8992, 2238570), (10116, 1989840), (11240, 1790856), (12645, 1591872), (13488, 1492380), (15174, 1326560), (16582, 1213920), (16860, 1193904), (17984, 1119285), (20232, 994920), (22480, 895428), (24873, 809280), (25290, 795936), (26976, 746190), (30348, 663280), (33164, 606960), (33720, 596952), (37935, 530624), (40464, 497460), (41455, 485568), (44960, 447714), (49746, 404640), (50580, 397968), (53952, 373095), (60696, 331640), (66328, 303480), (67440, 298476), (74619, 269760), (75870, 265312), (80928, 248730), (82910, 242784), (89920, 223857), (99492, 202320), (101160, 198984), (121392, 165820), (124365, 161856), (132656, 151740), (134880, 149238)]