161207880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2129}}^1$

素因数の和:2774

約数の個数: 64

約数和(自身を含む): 484617600

約数和(自身を除く): 323409720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 631, 1262, 1893, 2129, 2524, 3155, 3786, 4258, 5048, 6310, 6387, 7572, 8516, 9465, 10645, 12620, 12774, 15144, 17032, 18930, 21290, 25240, 25548, 31935, 37860, 42580, 51096, 63870, 75720, 85160, 127740, 255480, 1343399, 2686798, 4030197, 5373596, 6716995, 8060394, 10747192, 13433990, 16120788, 20150985, 26867980, 32241576, 40301970, 53735960, 80603940, 161207880]

約数ペア:

[(1, 161207880), (2, 80603940), (3, 53735960), (4, 40301970), (5, 32241576), (6, 26867980), (8, 20150985), (10, 16120788), (12, 13433990), (15, 10747192), (20, 8060394), (24, 6716995), (30, 5373596), (40, 4030197), (60, 2686798), (120, 1343399), (631, 255480), (1262, 127740), (1893, 85160), (2129, 75720), (2524, 63870), (3155, 51096), (3786, 42580), (4258, 37860), (5048, 31935), (6310, 25548), (6387, 25240), (7572, 21290), (8516, 18930), (9465, 17032), (10645, 15144), (12620, 12774)]