1288881420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{2557}}^1$

素因数の和:2871

約数の個数: 96

約数和(自身を含む): 3740491776

約数和(自身を除く): 2451610356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 271, 310, 372, 465, 542, 620, 813, 930, 1084, 1355, 1626, 1860, 2557, 2710, 3252, 4065, 5114, 5420, 7671, 8130, 8401, 10228, 12785, 15342, 16260, 16802, 25203, 25570, 30684, 33604, 38355, 42005, 50406, 51140, 76710, 79267, 84010, 100812, 126015, 153420, 158534, 168020, 237801, 252030, 317068, 396335, 475602, 504060, 692947, 792670, 951204, 1189005, 1385894, 1585340, 2078841, 2378010, 2771788, 3464735, 4157682, 4756020, 6929470, 8315364, 10394205, 13858940, 20788410, 21481357, 41576820, 42962714, 64444071, 85925428, 107406785, 128888142, 214813570, 257776284, 322220355, 429627140, 644440710, 1288881420]

約数ペア:

[(1, 1288881420), (2, 644440710), (3, 429627140), (4, 322220355), (5, 257776284), (6, 214813570), (10, 128888142), (12, 107406785), (15, 85925428), (20, 64444071), (30, 42962714), (31, 41576820), (60, 21481357), (62, 20788410), (93, 13858940), (124, 10394205), (155, 8315364), (186, 6929470), (271, 4756020), (310, 4157682), (372, 3464735), (465, 2771788), (542, 2378010), (620, 2078841), (813, 1585340), (930, 1385894), (1084, 1189005), (1355, 951204), (1626, 792670), (1860, 692947), (2557, 504060), (2710, 475602), (3252, 396335), (4065, 317068), (5114, 252030), (5420, 237801), (7671, 168020), (8130, 158534), (8401, 153420), (10228, 126015), (12785, 100812), (15342, 84010), (16260, 79267), (16802, 76710), (25203, 51140), (25570, 50406), (30684, 42005), (33604, 38355)]