80999280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:260

約数の個数: 240

約数和(自身を含む): 297123840

約数和(自身を除く): 216124560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 48, 57, 60, 62, 72, 76, 80, 90, 93, 95, 114, 120, 124, 144, 152, 155, 171, 180, 186, 190, 191, 228, 240, 248, 279, 285, 304, 310, 342, 360, 372, 380, 382, 456, 465, 496, 558, 570, 573, 589, 620, 684, 720, 744, 760, 764, 855, 912, 930, 955, 1116, 1140, 1146, 1178, 1240, 1368, 1395, 1488, 1520, 1528, 1710, 1719, 1767, 1860, 1910, 2232, 2280, 2292, 2356, 2480, 2736, 2790, 2865, 2945, 3056, 3420, 3438, 3534, 3629, 3720, 3820, 4464, 4560, 4584, 4712, 5301, 5580, 5730, 5890, 5921, 6840, 6876, 7068, 7258, 7440, 7640, 8595, 8835, 9168, 9424, 10602, 10887, 11160, 11460, 11780, 11842, 13680, 13752, 14136, 14516, 15280, 17190, 17670, 17763, 18145, 21204, 21774, 22320, 22920, 23560, 23684, 26505, 27504, 28272, 29032, 29605, 32661, 34380, 35340, 35526, 36290, 42408, 43548, 45840, 47120, 47368, 53010, 53289, 54435, 58064, 59210, 65322, 68760, 70680, 71052, 72580, 84816, 87096, 88815, 94736, 106020, 106578, 108870, 112499, 118420, 130644, 137520, 141360, 142104, 145160, 163305, 174192, 177630, 212040, 213156, 217740, 224998, 236840, 261288, 266445, 284208, 290320, 326610, 337497, 355260, 424080, 426312, 435480, 449996, 473680, 522576, 532890, 562495, 653220, 674994, 710520, 852624, 870960, 899992, 1012491, 1065780, 1124990, 1306440, 1349988, 1421040, 1687485, 1799984, 2024982, 2131560, 2249980, 2612880, 2699976, 3374970, 4049964, 4263120, 4499960, 5062455, 5399952, 6749940, 8099928, 8999920, 10124910, 13499880, 16199856, 20249820, 26999760, 40499640, 80999280]

約数ペア:

[(1, 80999280), (2, 40499640), (3, 26999760), (4, 20249820), (5, 16199856), (6, 13499880), (8, 10124910), (9, 8999920), (10, 8099928), (12, 6749940), (15, 5399952), (16, 5062455), (18, 4499960), (19, 4263120), (20, 4049964), (24, 3374970), (30, 2699976), (31, 2612880), (36, 2249980), (38, 2131560), (40, 2024982), (45, 1799984), (48, 1687485), (57, 1421040), (60, 1349988), (62, 1306440), (72, 1124990), (76, 1065780), (80, 1012491), (90, 899992), (93, 870960), (95, 852624), (114, 710520), (120, 674994), (124, 653220), (144, 562495), (152, 532890), (155, 522576), (171, 473680), (180, 449996), (186, 435480), (190, 426312), (191, 424080), (228, 355260), (240, 337497), (248, 326610), (279, 290320), (285, 284208), (304, 266445), (310, 261288), (342, 236840), (360, 224998), (372, 217740), (380, 213156), (382, 212040), (456, 177630), (465, 174192), (496, 163305), (558, 145160), (570, 142104), (573, 141360), (589, 137520), (620, 130644), (684, 118420), (720, 112499), (744, 108870), (760, 106578), (764, 106020), (855, 94736), (912, 88815), (930, 87096), (955, 84816), (1116, 72580), (1140, 71052), (1146, 70680), (1178, 68760), (1240, 65322), (1368, 59210), (1395, 58064), (1488, 54435), (1520, 53289), (1528, 53010), (1710, 47368), (1719, 47120), (1767, 45840), (1860, 43548), (1910, 42408), (2232, 36290), (2280, 35526), (2292, 35340), (2356, 34380), (2480, 32661), (2736, 29605), (2790, 29032), (2865, 28272), (2945, 27504), (3056, 26505), (3420, 23684), (3438, 23560), (3534, 22920), (3629, 22320), (3720, 21774), (3820, 21204), (4464, 18145), (4560, 17763), (4584, 17670), (4712, 17190), (5301, 15280), (5580, 14516), (5730, 14136), (5890, 13752), (5921, 13680), (6840, 11842), (6876, 11780), (7068, 11460), (7258, 11160), (7440, 10887), (7640, 10602), (8595, 9424), (8835, 9168)]