38788620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^2$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 117489456

約数和(自身を除く): 78700836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 223, 260, 390, 446, 669, 780, 892, 1115, 1338, 2230, 2676, 2899, 3345, 4460, 5798, 6690, 8697, 11596, 13380, 14495, 17394, 28990, 34788, 43485, 49729, 57980, 86970, 99458, 149187, 173940, 198916, 248645, 298374, 497290, 596748, 646477, 745935, 994580, 1292954, 1491870, 1939431, 2585908, 2983740, 3232385, 3878862, 6464770, 7757724, 9697155, 12929540, 19394310, 38788620]

約数ペア:

[(1, 38788620), (2, 19394310), (3, 12929540), (4, 9697155), (5, 7757724), (6, 6464770), (10, 3878862), (12, 3232385), (13, 2983740), (15, 2585908), (20, 1939431), (26, 1491870), (30, 1292954), (39, 994580), (52, 745935), (60, 646477), (65, 596748), (78, 497290), (130, 298374), (156, 248645), (195, 198916), (223, 173940), (260, 149187), (390, 99458), (446, 86970), (669, 57980), (780, 49729), (892, 43485), (1115, 34788), (1338, 28990), (2230, 17394), (2676, 14495), (2899, 13380), (3345, 11596), (4460, 8697), (5798, 6690)]