15641940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13721}}^1$

素因数の和:13752

約数の個数: 48

約数和(自身を含む): 46105920

約数和(自身を除く): 30463980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 13721, 27442, 41163, 54884, 68605, 82326, 137210, 164652, 205815, 260699, 274420, 411630, 521398, 782097, 823260, 1042796, 1303495, 1564194, 2606990, 3128388, 3910485, 5213980, 7820970, 15641940]

約数ペア:

[(1, 15641940), (2, 7820970), (3, 5213980), (4, 3910485), (5, 3128388), (6, 2606990), (10, 1564194), (12, 1303495), (15, 1042796), (19, 823260), (20, 782097), (30, 521398), (38, 411630), (57, 274420), (60, 260699), (76, 205815), (95, 164652), (114, 137210), (190, 82326), (228, 68605), (285, 54884), (380, 41163), (570, 27442), (1140, 13721)]