614640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 2062368

約数和(自身を除く): 1447728

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, 197, 208, 240, 260, 312, 390, 394, 520, 591, 624, 780, 788, 985, 1040, 1182, 1560, 1576, 1970, 2364, 2561, 2955, 3120, 3152, 3940, 4728, 5122, 5910, 7683, 7880, 9456, 10244, 11820, 12805, 15366, 15760, 20488, 23640, 25610, 30732, 38415, 40976, 47280, 51220, 61464, 76830, 102440, 122928, 153660, 204880, 307320, 614640]

約数ペア:

[(1, 614640), (2, 307320), (3, 204880), (4, 153660), (5, 122928), (6, 102440), (8, 76830), (10, 61464), (12, 51220), (13, 47280), (15, 40976), (16, 38415), (20, 30732), (24, 25610), (26, 23640), (30, 20488), (39, 15760), (40, 15366), (48, 12805), (52, 11820), (60, 10244), (65, 9456), (78, 7880), (80, 7683), (104, 5910), (120, 5122), (130, 4728), (156, 3940), (195, 3152), (197, 3120), (208, 2955), (240, 2561), (260, 2364), (312, 1970), (390, 1576), (394, 1560), (520, 1182), (591, 1040), (624, 985), (780, 788)]