80687880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:861

約数の個数: 256

約数和(自身を含む): 331430400

約数和(自身を除く): 250742520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 351, 360, 364, 378, 390, 420, 455, 468, 504, 520, 540, 546, 585, 630, 702, 728, 756, 780, 819, 821, 840, 910, 936, 945, 1080, 1092, 1170, 1260, 1365, 1404, 1512, 1560, 1638, 1642, 1755, 1820, 1890, 2184, 2340, 2457, 2463, 2520, 2730, 2808, 3276, 3284, 3510, 3640, 3780, 4095, 4105, 4680, 4914, 4926, 5460, 5747, 6552, 6568, 7020, 7389, 7560, 8190, 8210, 9828, 9852, 10673, 10920, 11494, 12285, 12315, 14040, 14778, 16380, 16420, 17241, 19656, 19704, 21346, 22167, 22988, 24570, 24630, 28735, 29556, 32019, 32760, 32840, 34482, 36945, 42692, 44334, 45976, 49140, 49260, 51723, 53365, 57470, 59112, 64038, 68964, 73890, 74711, 85384, 86205, 88668, 96057, 98280, 98520, 103446, 106730, 110835, 114940, 128076, 137928, 147780, 149422, 155169, 160095, 172410, 177336, 192114, 206892, 213460, 221670, 224133, 229880, 256152, 258615, 288171, 295560, 298844, 310338, 320190, 344820, 373555, 384228, 413784, 426920, 443340, 448266, 480285, 517230, 576342, 597688, 620676, 640380, 672399, 689640, 747110, 768456, 775845, 886680, 896532, 960570, 1034460, 1120665, 1152684, 1241352, 1280760, 1344798, 1440855, 1494220, 1551690, 1793064, 1921140, 2017197, 2068920, 2241330, 2305368, 2689596, 2881710, 2988440, 3103380, 3361995, 3842280, 4034394, 4482660, 5379192, 5763420, 6206760, 6723990, 8068788, 8965320, 10085985, 11526840, 13447980, 16137576, 20171970, 26895960, 40343940, 80687880]

約数ペア:

[(1, 80687880), (2, 40343940), (3, 26895960), (4, 20171970), (5, 16137576), (6, 13447980), (7, 11526840), (8, 10085985), (9, 8965320), (10, 8068788), (12, 6723990), (13, 6206760), (14, 5763420), (15, 5379192), (18, 4482660), (20, 4034394), (21, 3842280), (24, 3361995), (26, 3103380), (27, 2988440), (28, 2881710), (30, 2689596), (35, 2305368), (36, 2241330), (39, 2068920), (40, 2017197), (42, 1921140), (45, 1793064), (52, 1551690), (54, 1494220), (56, 1440855), (60, 1344798), (63, 1280760), (65, 1241352), (70, 1152684), (72, 1120665), (78, 1034460), (84, 960570), (90, 896532), (91, 886680), (104, 775845), (105, 768456), (108, 747110), (117, 689640), (120, 672399), (126, 640380), (130, 620676), (135, 597688), (140, 576342), (156, 517230), (168, 480285), (180, 448266), (182, 443340), (189, 426920), (195, 413784), (210, 384228), (216, 373555), (234, 344820), (252, 320190), (260, 310338), (270, 298844), (273, 295560), (280, 288171), (312, 258615), (315, 256152), (351, 229880), (360, 224133), (364, 221670), (378, 213460), (390, 206892), (420, 192114), (455, 177336), (468, 172410), (504, 160095), (520, 155169), (540, 149422), (546, 147780), (585, 137928), (630, 128076), (702, 114940), (728, 110835), (756, 106730), (780, 103446), (819, 98520), (821, 98280), (840, 96057), (910, 88668), (936, 86205), (945, 85384), (1080, 74711), (1092, 73890), (1170, 68964), (1260, 64038), (1365, 59112), (1404, 57470), (1512, 53365), (1560, 51723), (1638, 49260), (1642, 49140), (1755, 45976), (1820, 44334), (1890, 42692), (2184, 36945), (2340, 34482), (2457, 32840), (2463, 32760), (2520, 32019), (2730, 29556), (2808, 28735), (3276, 24630), (3284, 24570), (3510, 22988), (3640, 22167), (3780, 21346), (4095, 19704), (4105, 19656), (4680, 17241), (4914, 16420), (4926, 16380), (5460, 14778), (5747, 14040), (6552, 12315), (6568, 12285), (7020, 11494), (7389, 10920), (7560, 10673), (8190, 9852), (8210, 9828)]