180173240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11177}}^1$

素因数の和:11232

約数の個数: 64

約数和(自身を含む): 450696960

約数和(自身を除く): 270523720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 11177, 16120, 22354, 44708, 55885, 89416, 111770, 145301, 223540, 290602, 346487, 447080, 581204, 692974, 726505, 1162408, 1385948, 1453010, 1732435, 2771896, 2906020, 3464870, 4504331, 5812040, 6929740, 9008662, 13859480, 18017324, 22521655, 36034648, 45043310, 90086620, 180173240]

約数ペア:

[(1, 180173240), (2, 90086620), (4, 45043310), (5, 36034648), (8, 22521655), (10, 18017324), (13, 13859480), (20, 9008662), (26, 6929740), (31, 5812040), (40, 4504331), (52, 3464870), (62, 2906020), (65, 2771896), (104, 1732435), (124, 1453010), (130, 1385948), (155, 1162408), (248, 726505), (260, 692974), (310, 581204), (403, 447080), (520, 346487), (620, 290602), (806, 223540), (1240, 145301), (1612, 111770), (2015, 89416), (3224, 55885), (4030, 44708), (8060, 22354), (11177, 16120)]