30824580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1999}}^1$

素因数の和:2268

約数の個数: 48

約数和(自身を含む): 86688000

約数和(自身を除く): 55863420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1285, 1542, 1999, 2570, 3084, 3855, 3998, 5140, 5997, 7710, 7996, 9995, 11994, 15420, 19990, 23988, 29985, 39980, 59970, 119940, 513743, 1027486, 1541229, 2054972, 2568715, 3082458, 5137430, 6164916, 7706145, 10274860, 15412290, 30824580]

約数ペア:

[(1, 30824580), (2, 15412290), (3, 10274860), (4, 7706145), (5, 6164916), (6, 5137430), (10, 3082458), (12, 2568715), (15, 2054972), (20, 1541229), (30, 1027486), (60, 513743), (257, 119940), (514, 59970), (771, 39980), (1028, 29985), (1285, 23988), (1542, 19990), (1999, 15420), (2570, 11994), (3084, 9995), (3855, 7996), (3998, 7710), (5140, 5997)]