268304220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{4271}}^1$

素因数の和:4635

約数の個数: 72

約数和(自身を含む): 816379200

約数和(自身を除く): 548074980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 698, 1047, 1396, 1745, 2094, 3141, 3490, 4188, 4271, 5235, 6282, 6980, 8542, 10470, 12564, 12813, 15705, 17084, 20940, 21355, 25626, 31410, 38439, 42710, 51252, 62820, 64065, 76878, 85420, 128130, 153756, 192195, 256260, 384390, 768780, 1490579, 2981158, 4471737, 5962316, 7452895, 8943474, 13415211, 14905790, 17886948, 22358685, 26830422, 29811580, 44717370, 53660844, 67076055, 89434740, 134152110, 268304220]

約数ペア:

[(1, 268304220), (2, 134152110), (3, 89434740), (4, 67076055), (5, 53660844), (6, 44717370), (9, 29811580), (10, 26830422), (12, 22358685), (15, 17886948), (18, 14905790), (20, 13415211), (30, 8943474), (36, 7452895), (45, 5962316), (60, 4471737), (90, 2981158), (180, 1490579), (349, 768780), (698, 384390), (1047, 256260), (1396, 192195), (1745, 153756), (2094, 128130), (3141, 85420), (3490, 76878), (4188, 64065), (4271, 62820), (5235, 51252), (6282, 42710), (6980, 38439), (8542, 31410), (10470, 25626), (12564, 21355), (12813, 20940), (15705, 17084)]