81047160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:111

約数の個数: 288

約数和(自身を含む): 301719600

約数和(自身を除く): 220672440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 19, 20, 24, 30, 34, 36, 38, 40, 41, 45, 51, 57, 60, 68, 72, 76, 82, 85, 90, 95, 102, 114, 120, 123, 136, 152, 153, 164, 170, 171, 180, 190, 204, 205, 228, 246, 255, 285, 289, 306, 323, 328, 340, 342, 360, 369, 380, 408, 410, 456, 492, 510, 570, 578, 612, 615, 646, 680, 684, 697, 738, 760, 765, 779, 820, 855, 867, 969, 984, 1020, 1140, 1156, 1224, 1230, 1292, 1368, 1394, 1445, 1476, 1530, 1558, 1615, 1640, 1710, 1734, 1845, 1938, 2040, 2091, 2280, 2312, 2337, 2460, 2584, 2601, 2788, 2890, 2907, 2952, 3060, 3116, 3230, 3420, 3468, 3485, 3690, 3876, 3895, 4182, 4335, 4674, 4845, 4920, 5202, 5491, 5576, 5780, 5814, 6120, 6232, 6273, 6460, 6840, 6936, 6970, 7011, 7380, 7752, 7790, 8364, 8670, 9348, 9690, 10404, 10455, 10982, 11560, 11628, 11685, 11849, 12546, 12920, 13005, 13243, 13940, 14022, 14535, 14760, 15580, 16473, 16728, 17340, 18696, 19380, 20808, 20910, 21964, 23256, 23370, 23698, 25092, 26010, 26486, 27455, 27880, 28044, 29070, 31160, 31365, 32946, 34680, 35055, 35547, 38760, 39729, 41820, 43928, 46740, 47396, 49419, 50184, 52020, 52972, 54910, 56088, 58140, 59245, 62730, 65892, 66215, 70110, 71094, 79458, 82365, 83640, 93480, 94792, 98838, 104040, 105944, 106641, 109820, 116280, 118490, 119187, 125460, 131784, 132430, 140220, 142188, 158916, 164730, 177735, 197676, 198645, 213282, 219640, 225131, 236980, 238374, 247095, 250920, 264860, 280440, 284376, 317832, 329460, 355470, 395352, 397290, 426564, 450262, 473960, 476748, 494190, 529720, 533205, 595935, 658920, 675393, 710940, 794580, 853128, 900524, 953496, 988380, 1066410, 1125655, 1191870, 1350786, 1421880, 1589160, 1801048, 1976760, 2026179, 2132820, 2251310, 2383740, 2701572, 3376965, 4052358, 4265640, 4502620, 4767480, 5403144, 6753930, 8104716, 9005240, 10130895, 13507860, 16209432, 20261790, 27015720, 40523580, 81047160]

約数ペア:

[(1, 81047160), (2, 40523580), (3, 27015720), (4, 20261790), (5, 16209432), (6, 13507860), (8, 10130895), (9, 9005240), (10, 8104716), (12, 6753930), (15, 5403144), (17, 4767480), (18, 4502620), (19, 4265640), (20, 4052358), (24, 3376965), (30, 2701572), (34, 2383740), (36, 2251310), (38, 2132820), (40, 2026179), (41, 1976760), (45, 1801048), (51, 1589160), (57, 1421880), (60, 1350786), (68, 1191870), (72, 1125655), (76, 1066410), (82, 988380), (85, 953496), (90, 900524), (95, 853128), (102, 794580), (114, 710940), (120, 675393), (123, 658920), (136, 595935), (152, 533205), (153, 529720), (164, 494190), (170, 476748), (171, 473960), (180, 450262), (190, 426564), (204, 397290), (205, 395352), (228, 355470), (246, 329460), (255, 317832), (285, 284376), (289, 280440), (306, 264860), (323, 250920), (328, 247095), (340, 238374), (342, 236980), (360, 225131), (369, 219640), (380, 213282), (408, 198645), (410, 197676), (456, 177735), (492, 164730), (510, 158916), (570, 142188), (578, 140220), (612, 132430), (615, 131784), (646, 125460), (680, 119187), (684, 118490), (697, 116280), (738, 109820), (760, 106641), (765, 105944), (779, 104040), (820, 98838), (855, 94792), (867, 93480), (969, 83640), (984, 82365), (1020, 79458), (1140, 71094), (1156, 70110), (1224, 66215), (1230, 65892), (1292, 62730), (1368, 59245), (1394, 58140), (1445, 56088), (1476, 54910), (1530, 52972), (1558, 52020), (1615, 50184), (1640, 49419), (1710, 47396), (1734, 46740), (1845, 43928), (1938, 41820), (2040, 39729), (2091, 38760), (2280, 35547), (2312, 35055), (2337, 34680), (2460, 32946), (2584, 31365), (2601, 31160), (2788, 29070), (2890, 28044), (2907, 27880), (2952, 27455), (3060, 26486), (3116, 26010), (3230, 25092), (3420, 23698), (3468, 23370), (3485, 23256), (3690, 21964), (3876, 20910), (3895, 20808), (4182, 19380), (4335, 18696), (4674, 17340), (4845, 16728), (4920, 16473), (5202, 15580), (5491, 14760), (5576, 14535), (5780, 14022), (5814, 13940), (6120, 13243), (6232, 13005), (6273, 12920), (6460, 12546), (6840, 11849), (6936, 11685), (6970, 11628), (7011, 11560), (7380, 10982), (7752, 10455), (7790, 10404), (8364, 9690), (8670, 9348)]