172777280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1013}}^1$

素因数の和:1084

約数の個数: 112

約数和(自身を含む): 454328784

約数和(自身を除く): 281551504

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 130, 160, 164, 205, 208, 260, 320, 328, 410, 416, 520, 533, 656, 820, 832, 1013, 1040, 1066, 1312, 1640, 2026, 2080, 2132, 2624, 2665, 3280, 4052, 4160, 4264, 5065, 5330, 6560, 8104, 8528, 10130, 10660, 13120, 13169, 16208, 17056, 20260, 21320, 26338, 32416, 34112, 40520, 41533, 42640, 52676, 64832, 65845, 81040, 83066, 85280, 105352, 131690, 162080, 166132, 170560, 207665, 210704, 263380, 324160, 332264, 415330, 421408, 526760, 539929, 664528, 830660, 842816, 1053520, 1079858, 1329056, 1661320, 2107040, 2159716, 2658112, 2699645, 3322640, 4214080, 4319432, 5399290, 6645280, 8638864, 10798580, 13290560, 17277728, 21597160, 34555456, 43194320, 86388640, 172777280]

約数ペア:

[(1, 172777280), (2, 86388640), (4, 43194320), (5, 34555456), (8, 21597160), (10, 17277728), (13, 13290560), (16, 10798580), (20, 8638864), (26, 6645280), (32, 5399290), (40, 4319432), (41, 4214080), (52, 3322640), (64, 2699645), (65, 2658112), (80, 2159716), (82, 2107040), (104, 1661320), (130, 1329056), (160, 1079858), (164, 1053520), (205, 842816), (208, 830660), (260, 664528), (320, 539929), (328, 526760), (410, 421408), (416, 415330), (520, 332264), (533, 324160), (656, 263380), (820, 210704), (832, 207665), (1013, 170560), (1040, 166132), (1066, 162080), (1312, 131690), (1640, 105352), (2026, 85280), (2080, 83066), (2132, 81040), (2624, 65845), (2665, 64832), (3280, 52676), (4052, 42640), (4160, 41533), (4264, 40520), (5065, 34112), (5330, 32416), (6560, 26338), (8104, 21320), (8528, 20260), (10130, 17056), (10660, 16208), (13120, 13169)]