30144920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2052

約数の個数: 64

約数和(自身を含む): 75600000

約数和(自身を除く): 45455080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1885, 1999, 3016, 3770, 3998, 7540, 7996, 9995, 15080, 15992, 19990, 25987, 39980, 51974, 57971, 79960, 103948, 115942, 129935, 207896, 231884, 259870, 289855, 463768, 519740, 579710, 753623, 1039480, 1159420, 1507246, 2318840, 3014492, 3768115, 6028984, 7536230, 15072460, 30144920]

約数ペア:

[(1, 30144920), (2, 15072460), (4, 7536230), (5, 6028984), (8, 3768115), (10, 3014492), (13, 2318840), (20, 1507246), (26, 1159420), (29, 1039480), (40, 753623), (52, 579710), (58, 519740), (65, 463768), (104, 289855), (116, 259870), (130, 231884), (145, 207896), (232, 129935), (260, 115942), (290, 103948), (377, 79960), (520, 57971), (580, 51974), (754, 39980), (1160, 25987), (1508, 19990), (1885, 15992), (1999, 15080), (3016, 9995), (3770, 7996), (3998, 7540)]