73121220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1499}}^1$

素因数の和:1785

約数の個数: 72

約数和(自身を含む): 222768000

約数和(自身を除く): 149646780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 271, 542, 813, 1084, 1355, 1499, 1626, 2439, 2710, 2998, 3252, 4065, 4497, 4878, 5420, 5996, 7495, 8130, 8994, 9756, 12195, 13491, 14990, 16260, 17988, 22485, 24390, 26982, 29980, 44970, 48780, 53964, 67455, 89940, 134910, 269820, 406229, 812458, 1218687, 1624916, 2031145, 2437374, 3656061, 4062290, 4874748, 6093435, 7312122, 8124580, 12186870, 14624244, 18280305, 24373740, 36560610, 73121220]

約数ペア:

[(1, 73121220), (2, 36560610), (3, 24373740), (4, 18280305), (5, 14624244), (6, 12186870), (9, 8124580), (10, 7312122), (12, 6093435), (15, 4874748), (18, 4062290), (20, 3656061), (30, 2437374), (36, 2031145), (45, 1624916), (60, 1218687), (90, 812458), (180, 406229), (271, 269820), (542, 134910), (813, 89940), (1084, 67455), (1355, 53964), (1499, 48780), (1626, 44970), (2439, 29980), (2710, 26982), (2998, 24390), (3252, 22485), (4065, 17988), (4497, 16260), (4878, 14990), (5420, 13491), (5996, 12195), (7495, 9756), (8130, 8994)]