158521020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{661}}^1$

素因数の和:1251

約数の個数: 96

約数和(自身を含む): 508924416

約数和(自身を除く): 350403396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 571, 661, 1142, 1322, 1713, 1983, 2284, 2644, 2855, 3305, 3426, 3966, 3997, 4627, 5710, 6610, 6852, 7932, 7994, 8565, 9254, 9915, 11420, 11991, 13220, 13881, 15988, 17130, 18508, 19830, 19985, 23135, 23982, 27762, 34260, 39660, 39970, 46270, 47964, 55524, 59955, 69405, 79940, 92540, 119910, 138810, 239820, 277620, 377431, 754862, 1132293, 1509724, 1887155, 2264586, 2642017, 3774310, 4529172, 5284034, 5661465, 7548620, 7926051, 10568068, 11322930, 13210085, 15852102, 22645860, 26420170, 31704204, 39630255, 52840340, 79260510, 158521020]

約数ペア:

[(1, 158521020), (2, 79260510), (3, 52840340), (4, 39630255), (5, 31704204), (6, 26420170), (7, 22645860), (10, 15852102), (12, 13210085), (14, 11322930), (15, 10568068), (20, 7926051), (21, 7548620), (28, 5661465), (30, 5284034), (35, 4529172), (42, 3774310), (60, 2642017), (70, 2264586), (84, 1887155), (105, 1509724), (140, 1132293), (210, 754862), (420, 377431), (571, 277620), (661, 239820), (1142, 138810), (1322, 119910), (1713, 92540), (1983, 79940), (2284, 69405), (2644, 59955), (2855, 55524), (3305, 47964), (3426, 46270), (3966, 39970), (3997, 39660), (4627, 34260), (5710, 27762), (6610, 23982), (6852, 23135), (7932, 19985), (7994, 19830), (8565, 18508), (9254, 17130), (9915, 15988), (11420, 13881), (11991, 13220)]