208406640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66797}}^1$

素因数の和:66826

約数の個数: 80

約数和(自身を含む): 695767968

約数和(自身を除く): 487361328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 66797, 133594, 200391, 267188, 333985, 400782, 534376, 667970, 801564, 868361, 1001955, 1068752, 1335940, 1603128, 1736722, 2003910, 2605083, 2671880, 3206256, 3473444, 4007820, 4341805, 5210166, 5343760, 6946888, 8015640, 8683610, 10420332, 13025415, 13893776, 16031280, 17367220, 20840664, 26050830, 34734440, 41681328, 52101660, 69468880, 104203320, 208406640]

約数ペア:

[(1, 208406640), (2, 104203320), (3, 69468880), (4, 52101660), (5, 41681328), (6, 34734440), (8, 26050830), (10, 20840664), (12, 17367220), (13, 16031280), (15, 13893776), (16, 13025415), (20, 10420332), (24, 8683610), (26, 8015640), (30, 6946888), (39, 5343760), (40, 5210166), (48, 4341805), (52, 4007820), (60, 3473444), (65, 3206256), (78, 2671880), (80, 2605083), (104, 2003910), (120, 1736722), (130, 1603128), (156, 1335940), (195, 1068752), (208, 1001955), (240, 868361), (260, 801564), (312, 667970), (390, 534376), (520, 400782), (624, 333985), (780, 267188), (1040, 200391), (1560, 133594), (3120, 66797)]