61331220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4799}}^1$

素因数の和:4885

約数の個数: 72

約数和(自身を含む): 188697600

約数和(自身を除く): 127366380

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, 4799, 6390, 9598, 12780, 14397, 19196, 23995, 28794, 43191, 47990, 57588, 71985, 86382, 95980, 143970, 172764, 215955, 287940, 340729, 431910, 681458, 863820, 1022187, 1362916, 1703645, 2044374, 3066561, 3407290, 4088748, 5110935, 6133122, 6814580, 10221870, 12266244, 15332805, 20443740, 30665610, 61331220]

約数ペア:

[(1, 61331220), (2, 30665610), (3, 20443740), (4, 15332805), (5, 12266244), (6, 10221870), (9, 6814580), (10, 6133122), (12, 5110935), (15, 4088748), (18, 3407290), (20, 3066561), (30, 2044374), (36, 1703645), (45, 1362916), (60, 1022187), (71, 863820), (90, 681458), (142, 431910), (180, 340729), (213, 287940), (284, 215955), (355, 172764), (426, 143970), (639, 95980), (710, 86382), (852, 71985), (1065, 57588), (1278, 47990), (1420, 43191), (2130, 28794), (2556, 23995), (3195, 19196), (4260, 14397), (4799, 12780), (6390, 9598)]