131125280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:571

約数の個数: 144

約数和(自身を含む): 367402392

約数和(自身を除く): 236277112

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 160, 176, 208, 220, 242, 260, 286, 352, 416, 440, 484, 520, 521, 572, 605, 715, 880, 968, 1040, 1042, 1144, 1210, 1430, 1573, 1760, 1936, 2080, 2084, 2288, 2420, 2605, 2860, 3146, 3872, 4168, 4576, 4840, 5210, 5720, 5731, 6292, 6773, 7865, 8336, 9680, 10420, 11440, 11462, 12584, 13546, 15730, 16672, 19360, 20840, 22880, 22924, 25168, 27092, 28655, 31460, 33865, 41680, 45848, 50336, 54184, 57310, 62920, 63041, 67730, 74503, 83360, 91696, 108368, 114620, 125840, 126082, 135460, 149006, 183392, 216736, 229240, 251680, 252164, 270920, 298012, 315205, 372515, 458480, 504328, 541840, 596024, 630410, 745030, 819533, 916960, 1008656, 1083680, 1192048, 1260820, 1490060, 1639066, 2017312, 2384096, 2521640, 2980120, 3278132, 4097665, 5043280, 5960240, 6556264, 8195330, 10086560, 11920480, 13112528, 16390660, 26225056, 32781320, 65562640, 131125280]

約数ペア:

[(1, 131125280), (2, 65562640), (4, 32781320), (5, 26225056), (8, 16390660), (10, 13112528), (11, 11920480), (13, 10086560), (16, 8195330), (20, 6556264), (22, 5960240), (26, 5043280), (32, 4097665), (40, 3278132), (44, 2980120), (52, 2521640), (55, 2384096), (65, 2017312), (80, 1639066), (88, 1490060), (104, 1260820), (110, 1192048), (121, 1083680), (130, 1008656), (143, 916960), (160, 819533), (176, 745030), (208, 630410), (220, 596024), (242, 541840), (260, 504328), (286, 458480), (352, 372515), (416, 315205), (440, 298012), (484, 270920), (520, 252164), (521, 251680), (572, 229240), (605, 216736), (715, 183392), (880, 149006), (968, 135460), (1040, 126082), (1042, 125840), (1144, 114620), (1210, 108368), (1430, 91696), (1573, 83360), (1760, 74503), (1936, 67730), (2080, 63041), (2084, 62920), (2288, 57310), (2420, 54184), (2605, 50336), (2860, 45848), (3146, 41680), (3872, 33865), (4168, 31460), (4576, 28655), (4840, 27092), (5210, 25168), (5720, 22924), (5731, 22880), (6292, 20840), (6773, 19360), (7865, 16672), (8336, 15730), (9680, 13546), (10420, 12584), (11440, 11462)]