220676820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3109}}^1$

素因数の和:3154

約数の個数: 144

約数和(自身を含む): 764910720

約数和(自身を除く): 544233900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 455, 507, 546, 676, 780, 845, 910, 1014, 1092, 1183, 1365, 1690, 1820, 2028, 2366, 2535, 2730, 3109, 3380, 3549, 4732, 5070, 5460, 5915, 6218, 7098, 9327, 10140, 11830, 12436, 14196, 15545, 17745, 18654, 21763, 23660, 31090, 35490, 37308, 40417, 43526, 46635, 62180, 65289, 70980, 80834, 87052, 93270, 108815, 121251, 130578, 161668, 186540, 202085, 217630, 242502, 261156, 282919, 326445, 404170, 435260, 485004, 525421, 565838, 606255, 652890, 808340, 848757, 1050842, 1131676, 1212510, 1305780, 1414595, 1576263, 1697514, 2101684, 2425020, 2627105, 2829190, 3152526, 3395028, 3677947, 4243785, 5254210, 5658380, 6305052, 7355894, 7881315, 8487570, 10508420, 11033841, 14711788, 15762630, 16975140, 18389735, 22067682, 31525260, 36779470, 44135364, 55169205, 73558940, 110338410, 220676820]

約数ペア:

[(1, 220676820), (2, 110338410), (3, 73558940), (4, 55169205), (5, 44135364), (6, 36779470), (7, 31525260), (10, 22067682), (12, 18389735), (13, 16975140), (14, 15762630), (15, 14711788), (20, 11033841), (21, 10508420), (26, 8487570), (28, 7881315), (30, 7355894), (35, 6305052), (39, 5658380), (42, 5254210), (52, 4243785), (60, 3677947), (65, 3395028), (70, 3152526), (78, 2829190), (84, 2627105), (91, 2425020), (105, 2101684), (130, 1697514), (140, 1576263), (156, 1414595), (169, 1305780), (182, 1212510), (195, 1131676), (210, 1050842), (260, 848757), (273, 808340), (338, 652890), (364, 606255), (390, 565838), (420, 525421), (455, 485004), (507, 435260), (546, 404170), (676, 326445), (780, 282919), (845, 261156), (910, 242502), (1014, 217630), (1092, 202085), (1183, 186540), (1365, 161668), (1690, 130578), (1820, 121251), (2028, 108815), (2366, 93270), (2535, 87052), (2730, 80834), (3109, 70980), (3380, 65289), (3549, 62180), (4732, 46635), (5070, 43526), (5460, 40417), (5915, 37308), (6218, 35490), (7098, 31090), (9327, 23660), (10140, 21763), (11830, 18654), (12436, 17745), (14196, 15545)]