30747480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{997}}^1$

素因数の和:1268

約数の個数: 64

約数和(自身を含む): 92694240

約数和(自身を除く): 61946760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 997, 1028, 1285, 1542, 1994, 2056, 2570, 2991, 3084, 3855, 3988, 4985, 5140, 5982, 6168, 7710, 7976, 9970, 10280, 11964, 14955, 15420, 19940, 23928, 29910, 30840, 39880, 59820, 119640, 256229, 512458, 768687, 1024916, 1281145, 1537374, 2049832, 2562290, 3074748, 3843435, 5124580, 6149496, 7686870, 10249160, 15373740, 30747480]

約数ペア:

[(1, 30747480), (2, 15373740), (3, 10249160), (4, 7686870), (5, 6149496), (6, 5124580), (8, 3843435), (10, 3074748), (12, 2562290), (15, 2049832), (20, 1537374), (24, 1281145), (30, 1024916), (40, 768687), (60, 512458), (120, 256229), (257, 119640), (514, 59820), (771, 39880), (997, 30840), (1028, 29910), (1285, 23928), (1542, 19940), (1994, 15420), (2056, 14955), (2570, 11964), (2991, 10280), (3084, 9970), (3855, 7976), (3988, 7710), (4985, 6168), (5140, 5982)]