72287940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{239}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 206156160

約数和(自身を除く): 133868220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 239, 284, 355, 426, 478, 710, 717, 852, 956, 1065, 1195, 1420, 1434, 2130, 2390, 2868, 3585, 4260, 4780, 5041, 7170, 10082, 14340, 15123, 16969, 20164, 25205, 30246, 33938, 50410, 50907, 60492, 67876, 75615, 84845, 100820, 101814, 151230, 169690, 203628, 254535, 302460, 339380, 509070, 1018140, 1204799, 2409598, 3614397, 4819196, 6023995, 7228794, 12047990, 14457588, 18071985, 24095980, 36143970, 72287940]

約数ペア:

[(1, 72287940), (2, 36143970), (3, 24095980), (4, 18071985), (5, 14457588), (6, 12047990), (10, 7228794), (12, 6023995), (15, 4819196), (20, 3614397), (30, 2409598), (60, 1204799), (71, 1018140), (142, 509070), (213, 339380), (239, 302460), (284, 254535), (355, 203628), (426, 169690), (478, 151230), (710, 101814), (717, 100820), (852, 84845), (956, 75615), (1065, 67876), (1195, 60492), (1420, 50907), (1434, 50410), (2130, 33938), (2390, 30246), (2868, 25205), (3585, 20164), (4260, 16969), (4780, 15123), (5041, 14340), (7170, 10082)]