71940780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17377}}^1$

素因数の和:17415

約数の個数: 72

約数和(自身を含む): 227721312

約数和(自身を除く): 155780532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 17377, 34754, 52131, 69508, 86885, 104262, 156393, 173770, 208524, 260655, 312786, 347540, 399671, 521310, 625572, 781965, 799342, 1042620, 1199013, 1563930, 1598684, 1998355, 2398026, 3127860, 3597039, 3996710, 4796052, 5995065, 7194078, 7993420, 11990130, 14388156, 17985195, 23980260, 35970390, 71940780]

約数ペア:

[(1, 71940780), (2, 35970390), (3, 23980260), (4, 17985195), (5, 14388156), (6, 11990130), (9, 7993420), (10, 7194078), (12, 5995065), (15, 4796052), (18, 3996710), (20, 3597039), (23, 3127860), (30, 2398026), (36, 1998355), (45, 1598684), (46, 1563930), (60, 1199013), (69, 1042620), (90, 799342), (92, 781965), (115, 625572), (138, 521310), (180, 399671), (207, 347540), (230, 312786), (276, 260655), (345, 208524), (414, 173770), (460, 156393), (690, 104262), (828, 86885), (1035, 69508), (1380, 52131), (2070, 34754), (4140, 17377)]