72379780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{2719}}^1$

素因数の和:2761

約数の個数: 48

約数和(自身を含む): 167247360

約数和(自身を除く): 94867580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1331, 2420, 2662, 2719, 5324, 5438, 6655, 10876, 13310, 13595, 26620, 27190, 29909, 54380, 59818, 119636, 149545, 299090, 328999, 598180, 657998, 1315996, 1644995, 3289990, 3618989, 6579980, 7237978, 14475956, 18094945, 36189890, 72379780]

約数ペア:

[(1, 72379780), (2, 36189890), (4, 18094945), (5, 14475956), (10, 7237978), (11, 6579980), (20, 3618989), (22, 3289990), (44, 1644995), (55, 1315996), (110, 657998), (121, 598180), (220, 328999), (242, 299090), (484, 149545), (605, 119636), (1210, 59818), (1331, 54380), (2420, 29909), (2662, 27190), (2719, 26620), (5324, 13595), (5438, 13310), (6655, 10876)]