266639920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:347

約数の個数: 160

約数和(自身を含む): 707097600

約数和(自身を除く): 440457680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 29, 38, 40, 46, 58, 76, 80, 92, 95, 115, 116, 145, 152, 184, 190, 230, 232, 263, 290, 304, 368, 380, 437, 460, 464, 526, 551, 580, 667, 760, 874, 920, 1052, 1102, 1160, 1315, 1334, 1520, 1748, 1840, 2104, 2185, 2204, 2320, 2630, 2668, 2755, 3335, 3496, 4208, 4370, 4408, 4997, 5260, 5336, 5510, 6049, 6670, 6992, 7627, 8740, 8816, 9994, 10520, 10672, 11020, 12098, 12673, 13340, 15254, 17480, 19988, 21040, 22040, 24196, 24985, 25346, 26680, 30245, 30508, 34960, 38135, 39976, 44080, 48392, 49970, 50692, 53360, 60490, 61016, 63365, 76270, 79952, 96784, 99940, 101384, 114931, 120980, 122032, 126730, 144913, 152540, 175421, 199880, 202768, 229862, 241960, 253460, 289826, 305080, 350842, 399760, 459724, 483920, 506920, 574655, 579652, 610160, 701684, 724565, 877105, 919448, 1013840, 1149310, 1159304, 1403368, 1449130, 1754210, 1838896, 2298620, 2318608, 2806736, 2898260, 3332999, 3508420, 4597240, 5796520, 6665998, 7016840, 9194480, 11593040, 13331996, 14033680, 16664995, 26663992, 33329990, 53327984, 66659980, 133319960, 266639920]

約数ペア:

[(1, 266639920), (2, 133319960), (4, 66659980), (5, 53327984), (8, 33329990), (10, 26663992), (16, 16664995), (19, 14033680), (20, 13331996), (23, 11593040), (29, 9194480), (38, 7016840), (40, 6665998), (46, 5796520), (58, 4597240), (76, 3508420), (80, 3332999), (92, 2898260), (95, 2806736), (115, 2318608), (116, 2298620), (145, 1838896), (152, 1754210), (184, 1449130), (190, 1403368), (230, 1159304), (232, 1149310), (263, 1013840), (290, 919448), (304, 877105), (368, 724565), (380, 701684), (437, 610160), (460, 579652), (464, 574655), (526, 506920), (551, 483920), (580, 459724), (667, 399760), (760, 350842), (874, 305080), (920, 289826), (1052, 253460), (1102, 241960), (1160, 229862), (1315, 202768), (1334, 199880), (1520, 175421), (1748, 152540), (1840, 144913), (2104, 126730), (2185, 122032), (2204, 120980), (2320, 114931), (2630, 101384), (2668, 99940), (2755, 96784), (3335, 79952), (3496, 76270), (4208, 63365), (4370, 61016), (4408, 60490), (4997, 53360), (5260, 50692), (5336, 49970), (5510, 48392), (6049, 44080), (6670, 39976), (6992, 38135), (7627, 34960), (8740, 30508), (8816, 30245), (9994, 26680), (10520, 25346), (10672, 24985), (11020, 24196), (12098, 22040), (12673, 21040), (13340, 19988), (15254, 17480)]