30875720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{619}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 73656000

約数和(自身を除く): 42780280

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 43, 58, 86, 116, 145, 172, 215, 232, 290, 344, 430, 580, 619, 860, 1160, 1238, 1247, 1720, 2476, 2494, 3095, 4952, 4988, 6190, 6235, 9976, 12380, 12470, 17951, 24760, 24940, 26617, 35902, 49880, 53234, 71804, 89755, 106468, 133085, 143608, 179510, 212936, 266170, 359020, 532340, 718040, 771893, 1064680, 1543786, 3087572, 3859465, 6175144, 7718930, 15437860, 30875720]

約数ペア:

[(1, 30875720), (2, 15437860), (4, 7718930), (5, 6175144), (8, 3859465), (10, 3087572), (20, 1543786), (29, 1064680), (40, 771893), (43, 718040), (58, 532340), (86, 359020), (116, 266170), (145, 212936), (172, 179510), (215, 143608), (232, 133085), (290, 106468), (344, 89755), (430, 71804), (580, 53234), (619, 49880), (860, 35902), (1160, 26617), (1238, 24940), (1247, 24760), (1720, 17951), (2476, 12470), (2494, 12380), (3095, 9976), (4952, 6235), (4988, 6190)]