72283780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{331}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 155615040

約数和(自身を除く): 83331260

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 179, 244, 305, 331, 358, 610, 662, 716, 895, 1220, 1324, 1655, 1790, 3310, 3580, 6620, 10919, 20191, 21838, 40382, 43676, 54595, 59249, 80764, 100955, 109190, 118498, 201910, 218380, 236996, 296245, 403820, 592490, 1184980, 3614189, 7228378, 14456756, 18070945, 36141890, 72283780]

約数ペア:

[(1, 72283780), (2, 36141890), (4, 18070945), (5, 14456756), (10, 7228378), (20, 3614189), (61, 1184980), (122, 592490), (179, 403820), (244, 296245), (305, 236996), (331, 218380), (358, 201910), (610, 118498), (662, 109190), (716, 100955), (895, 80764), (1220, 59249), (1324, 54595), (1655, 43676), (1790, 40382), (3310, 21838), (3580, 20191), (6620, 10919)]