268565320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{2423}}^1$

素因数の和:2614

約数の個数: 64

約数和(自身を含む): 644008320

約数和(自身を除く): 375443000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 163, 170, 326, 340, 652, 680, 815, 1304, 1630, 2423, 2771, 3260, 4846, 5542, 6520, 9692, 11084, 12115, 13855, 19384, 22168, 24230, 27710, 41191, 48460, 55420, 82382, 96920, 110840, 164764, 205955, 329528, 394949, 411910, 789898, 823820, 1579796, 1647640, 1974745, 3159592, 3949490, 6714133, 7898980, 13428266, 15797960, 26856532, 33570665, 53713064, 67141330, 134282660, 268565320]

約数ペア:

[(1, 268565320), (2, 134282660), (4, 67141330), (5, 53713064), (8, 33570665), (10, 26856532), (17, 15797960), (20, 13428266), (34, 7898980), (40, 6714133), (68, 3949490), (85, 3159592), (136, 1974745), (163, 1647640), (170, 1579796), (326, 823820), (340, 789898), (652, 411910), (680, 394949), (815, 329528), (1304, 205955), (1630, 164764), (2423, 110840), (2771, 96920), (3260, 82382), (4846, 55420), (5542, 48460), (6520, 41191), (9692, 27710), (11084, 24230), (12115, 22168), (13855, 19384)]