30549880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 72161280

約数和(自身を除く): 41611400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 124, 142, 155, 248, 284, 310, 347, 355, 568, 620, 694, 710, 1240, 1388, 1420, 1735, 2201, 2776, 2840, 3470, 4402, 6940, 8804, 10757, 11005, 13880, 17608, 21514, 22010, 24637, 43028, 44020, 49274, 53785, 86056, 88040, 98548, 107570, 123185, 197096, 215140, 246370, 430280, 492740, 763747, 985480, 1527494, 3054988, 3818735, 6109976, 7637470, 15274940, 30549880]

約数ペア:

[(1, 30549880), (2, 15274940), (4, 7637470), (5, 6109976), (8, 3818735), (10, 3054988), (20, 1527494), (31, 985480), (40, 763747), (62, 492740), (71, 430280), (124, 246370), (142, 215140), (155, 197096), (248, 123185), (284, 107570), (310, 98548), (347, 88040), (355, 86056), (568, 53785), (620, 49274), (694, 44020), (710, 43028), (1240, 24637), (1388, 22010), (1420, 21514), (1735, 17608), (2201, 13880), (2776, 11005), (2840, 10757), (3470, 8804), (4402, 6940)]