80071740

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:358

約数の個数: 240

約数和(自身を含む): 300529152

約数和(自身を除く): 220457412

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 54, 60, 63, 69, 70, 81, 84, 90, 92, 105, 108, 115, 126, 135, 138, 140, 161, 162, 180, 189, 207, 210, 230, 252, 270, 276, 307, 315, 322, 324, 345, 378, 405, 414, 420, 460, 483, 540, 567, 614, 621, 630, 644, 690, 756, 805, 810, 828, 921, 945, 966, 1035, 1134, 1228, 1242, 1260, 1380, 1449, 1535, 1610, 1620, 1842, 1863, 1890, 1932, 2070, 2149, 2268, 2415, 2484, 2763, 2835, 2898, 3070, 3105, 3220, 3684, 3726, 3780, 4140, 4298, 4347, 4605, 4830, 5526, 5670, 5796, 6140, 6210, 6447, 7061, 7245, 7452, 8289, 8596, 8694, 9210, 9315, 9660, 10745, 11052, 11340, 12420, 12894, 13041, 13815, 14122, 14490, 16578, 17388, 18420, 18630, 19341, 21183, 21490, 21735, 24867, 25788, 26082, 27630, 28244, 28980, 32235, 33156, 35305, 37260, 38682, 41445, 42366, 42980, 43470, 49427, 49734, 52164, 55260, 58023, 63549, 64470, 65205, 70610, 77364, 82890, 84732, 86940, 96705, 98854, 99468, 105915, 116046, 124335, 127098, 128940, 130410, 141220, 148281, 165780, 174069, 190647, 193410, 197708, 211830, 232092, 247135, 248670, 254196, 260820, 290115, 296562, 317745, 348138, 381294, 386820, 423660, 444843, 494270, 497340, 571941, 580230, 593124, 635490, 696276, 741405, 762588, 870345, 889686, 953235, 988540, 1143882, 1160460, 1270980, 1334529, 1482810, 1740690, 1779372, 1906470, 2224215, 2287764, 2669058, 2859705, 2965620, 3481380, 3812940, 4003587, 4448430, 5338116, 5719410, 6672645, 8007174, 8896860, 11438820, 13345290, 16014348, 20017935, 26690580, 40035870, 80071740]

約数ペア:

[(1, 80071740), (2, 40035870), (3, 26690580), (4, 20017935), (5, 16014348), (6, 13345290), (7, 11438820), (9, 8896860), (10, 8007174), (12, 6672645), (14, 5719410), (15, 5338116), (18, 4448430), (20, 4003587), (21, 3812940), (23, 3481380), (27, 2965620), (28, 2859705), (30, 2669058), (35, 2287764), (36, 2224215), (42, 1906470), (45, 1779372), (46, 1740690), (54, 1482810), (60, 1334529), (63, 1270980), (69, 1160460), (70, 1143882), (81, 988540), (84, 953235), (90, 889686), (92, 870345), (105, 762588), (108, 741405), (115, 696276), (126, 635490), (135, 593124), (138, 580230), (140, 571941), (161, 497340), (162, 494270), (180, 444843), (189, 423660), (207, 386820), (210, 381294), (230, 348138), (252, 317745), (270, 296562), (276, 290115), (307, 260820), (315, 254196), (322, 248670), (324, 247135), (345, 232092), (378, 211830), (405, 197708), (414, 193410), (420, 190647), (460, 174069), (483, 165780), (540, 148281), (567, 141220), (614, 130410), (621, 128940), (630, 127098), (644, 124335), (690, 116046), (756, 105915), (805, 99468), (810, 98854), (828, 96705), (921, 86940), (945, 84732), (966, 82890), (1035, 77364), (1134, 70610), (1228, 65205), (1242, 64470), (1260, 63549), (1380, 58023), (1449, 55260), (1535, 52164), (1610, 49734), (1620, 49427), (1842, 43470), (1863, 42980), (1890, 42366), (1932, 41445), (2070, 38682), (2149, 37260), (2268, 35305), (2415, 33156), (2484, 32235), (2763, 28980), (2835, 28244), (2898, 27630), (3070, 26082), (3105, 25788), (3220, 24867), (3684, 21735), (3726, 21490), (3780, 21183), (4140, 19341), (4298, 18630), (4347, 18420), (4605, 17388), (4830, 16578), (5526, 14490), (5670, 14122), (5796, 13815), (6140, 13041), (6210, 12894), (6447, 12420), (7061, 11340), (7245, 11052), (7452, 10745), (8289, 9660), (8596, 9315), (8694, 9210)]