164631180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{55997}}^1$

素因数の和:56023

約数の個数: 72

約数和(自身を含む): 536236848

約数和(自身を除く): 371605668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 55997, 111994, 167991, 223988, 279985, 335982, 391979, 559970, 671964, 783958, 839955, 1119940, 1175937, 1567916, 1679910, 1959895, 2351874, 2743853, 3359820, 3919790, 4703748, 5487706, 5879685, 7839580, 8231559, 10975412, 11759370, 13719265, 16463118, 23518740, 27438530, 32926236, 41157795, 54877060, 82315590, 164631180]

約数ペア:

[(1, 164631180), (2, 82315590), (3, 54877060), (4, 41157795), (5, 32926236), (6, 27438530), (7, 23518740), (10, 16463118), (12, 13719265), (14, 11759370), (15, 10975412), (20, 8231559), (21, 7839580), (28, 5879685), (30, 5487706), (35, 4703748), (42, 3919790), (49, 3359820), (60, 2743853), (70, 2351874), (84, 1959895), (98, 1679910), (105, 1567916), (140, 1175937), (147, 1119940), (196, 839955), (210, 783958), (245, 671964), (294, 559970), (420, 391979), (490, 335982), (588, 279985), (735, 223988), (980, 167991), (1470, 111994), (2940, 55997)]