131640520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{17599}}^1$

素因数の和:17638

約数の個数: 64

約数和(自身を含む): 342144000

約数和(自身を除く): 210503480

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 17599, 35198, 70396, 87995, 140792, 175990, 193589, 299183, 351980, 387178, 598366, 703960, 774356, 967945, 1196732, 1495915, 1548712, 1935890, 2393464, 2991830, 3291013, 3871780, 5983660, 6582026, 7743560, 11967320, 13164052, 16455065, 26328104, 32910130, 65820260, 131640520]

約数ペア:

[(1, 131640520), (2, 65820260), (4, 32910130), (5, 26328104), (8, 16455065), (10, 13164052), (11, 11967320), (17, 7743560), (20, 6582026), (22, 5983660), (34, 3871780), (40, 3291013), (44, 2991830), (55, 2393464), (68, 1935890), (85, 1548712), (88, 1495915), (110, 1196732), (136, 967945), (170, 774356), (187, 703960), (220, 598366), (340, 387178), (374, 351980), (440, 299183), (680, 193589), (748, 175990), (935, 140792), (1496, 87995), (1870, 70396), (3740, 35198), (7480, 17599)]