78016860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1181}}^1$

素因数の和:1563

約数の個数: 72

約数和(自身を含む): 237496896

約数和(自身を除く): 159480036

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 367, 734, 1101, 1181, 1468, 1835, 2202, 2362, 3303, 3543, 3670, 4404, 4724, 5505, 5905, 6606, 7086, 7340, 10629, 11010, 11810, 13212, 14172, 16515, 17715, 21258, 22020, 23620, 33030, 35430, 42516, 53145, 66060, 70860, 106290, 212580, 433427, 866854, 1300281, 1733708, 2167135, 2600562, 3900843, 4334270, 5201124, 6501405, 7801686, 8668540, 13002810, 15603372, 19504215, 26005620, 39008430, 78016860]

約数ペア:

[(1, 78016860), (2, 39008430), (3, 26005620), (4, 19504215), (5, 15603372), (6, 13002810), (9, 8668540), (10, 7801686), (12, 6501405), (15, 5201124), (18, 4334270), (20, 3900843), (30, 2600562), (36, 2167135), (45, 1733708), (60, 1300281), (90, 866854), (180, 433427), (367, 212580), (734, 106290), (1101, 70860), (1181, 66060), (1468, 53145), (1835, 42516), (2202, 35430), (2362, 33030), (3303, 23620), (3543, 22020), (3670, 21258), (4404, 17715), (4724, 16515), (5505, 14172), (5905, 13212), (6606, 11810), (7086, 11010), (7340, 10629)]