72322020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5659}}^1$

素因数の和:5745

約数の個数: 72

約数和(自身を含む): 222505920

約数和(自身を除く): 150183900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 5659, 6390, 11318, 12780, 16977, 22636, 28295, 33954, 50931, 56590, 67908, 84885, 101862, 113180, 169770, 203724, 254655, 339540, 401789, 509310, 803578, 1018620, 1205367, 1607156, 2008945, 2410734, 3616101, 4017890, 4821468, 6026835, 7232202, 8035780, 12053670, 14464404, 18080505, 24107340, 36161010, 72322020]

約数ペア:

[(1, 72322020), (2, 36161010), (3, 24107340), (4, 18080505), (5, 14464404), (6, 12053670), (9, 8035780), (10, 7232202), (12, 6026835), (15, 4821468), (18, 4017890), (20, 3616101), (30, 2410734), (36, 2008945), (45, 1607156), (60, 1205367), (71, 1018620), (90, 803578), (142, 509310), (180, 401789), (213, 339540), (284, 254655), (355, 203724), (426, 169770), (639, 113180), (710, 101862), (852, 84885), (1065, 67908), (1278, 56590), (1420, 50931), (2130, 33954), (2556, 28295), (3195, 22636), (4260, 16977), (5659, 12780), (6390, 11318)]