15072460

素因数分解:

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

素因数の和:2050

約数の個数: 48

約数和(自身を含む): 35280000

約数和(自身を除く): 20207540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 1999, 3770, 3998, 7540, 7996, 9995, 19990, 25987, 39980, 51974, 57971, 103948, 115942, 129935, 231884, 259870, 289855, 519740, 579710, 753623, 1159420, 1507246, 3014492, 3768115, 7536230, 15072460]

約数ペア:

[(1, 15072460), (2, 7536230), (4, 3768115), (5, 3014492), (10, 1507246), (13, 1159420), (20, 753623), (26, 579710), (29, 519740), (52, 289855), (58, 259870), (65, 231884), (116, 129935), (130, 115942), (145, 103948), (260, 57971), (290, 51974), (377, 39980), (580, 25987), (754, 19990), (1508, 9995), (1885, 7996), (1999, 7540), (3770, 3998)]