75767780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 176964480

約数和(自身を除く): 101196700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 131, 220, 239, 242, 262, 478, 484, 524, 605, 655, 956, 1195, 1210, 1310, 1441, 2390, 2420, 2620, 2629, 2882, 4780, 5258, 5764, 7205, 10516, 13145, 14410, 15851, 26290, 28820, 28919, 31309, 31702, 52580, 57838, 62618, 63404, 79255, 115676, 125236, 144595, 156545, 158510, 289190, 313090, 317020, 344399, 578380, 626180, 688798, 1377596, 1721995, 3443990, 3788389, 6887980, 7576778, 15153556, 18941945, 37883890, 75767780]

約数ペア:

[(1, 75767780), (2, 37883890), (4, 18941945), (5, 15153556), (10, 7576778), (11, 6887980), (20, 3788389), (22, 3443990), (44, 1721995), (55, 1377596), (110, 688798), (121, 626180), (131, 578380), (220, 344399), (239, 317020), (242, 313090), (262, 289190), (478, 158510), (484, 156545), (524, 144595), (605, 125236), (655, 115676), (956, 79255), (1195, 63404), (1210, 62618), (1310, 57838), (1441, 52580), (2390, 31702), (2420, 31309), (2620, 28919), (2629, 28820), (2882, 26290), (4780, 15851), (5258, 14410), (5764, 13145), (7205, 10516)]