133613720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{389}}^1$

素因数の和:708

約数の個数: 64

約数和(自身を含む): 312249600

約数和(自身を除く): 178635880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 277, 310, 389, 554, 620, 778, 1108, 1240, 1385, 1556, 1945, 2216, 2770, 3112, 3890, 5540, 7780, 8587, 11080, 12059, 15560, 17174, 24118, 34348, 42935, 48236, 60295, 68696, 85870, 96472, 107753, 120590, 171740, 215506, 241180, 343480, 431012, 482360, 538765, 862024, 1077530, 2155060, 3340343, 4310120, 6680686, 13361372, 16701715, 26722744, 33403430, 66806860, 133613720]

約数ペア:

[(1, 133613720), (2, 66806860), (4, 33403430), (5, 26722744), (8, 16701715), (10, 13361372), (20, 6680686), (31, 4310120), (40, 3340343), (62, 2155060), (124, 1077530), (155, 862024), (248, 538765), (277, 482360), (310, 431012), (389, 343480), (554, 241180), (620, 215506), (778, 171740), (1108, 120590), (1240, 107753), (1385, 96472), (1556, 85870), (1945, 68696), (2216, 60295), (2770, 48236), (3112, 42935), (3890, 34348), (5540, 24118), (7780, 17174), (8587, 15560), (11080, 12059)]