663247520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18757}}^1$

素因数の和:18802

約数の個数: 96

約数和(自身を含む): 1786812048

約数和(自身を除く): 1123564528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 340, 416, 442, 520, 544, 680, 884, 1040, 1105, 1360, 1768, 2080, 2210, 2720, 3536, 4420, 7072, 8840, 17680, 18757, 35360, 37514, 75028, 93785, 150056, 187570, 243841, 300112, 318869, 375140, 487682, 600224, 637738, 750280, 975364, 1219205, 1275476, 1500560, 1594345, 1950728, 2438410, 2550952, 3001120, 3188690, 3901456, 4145297, 4876820, 5101904, 6377380, 7802912, 8290594, 9753640, 10203808, 12754760, 16581188, 19507280, 20726485, 25509520, 33162376, 39014560, 41452970, 51019040, 66324752, 82905940, 132649504, 165811880, 331623760, 663247520]

約数ペア:

[(1, 663247520), (2, 331623760), (4, 165811880), (5, 132649504), (8, 82905940), (10, 66324752), (13, 51019040), (16, 41452970), (17, 39014560), (20, 33162376), (26, 25509520), (32, 20726485), (34, 19507280), (40, 16581188), (52, 12754760), (65, 10203808), (68, 9753640), (80, 8290594), (85, 7802912), (104, 6377380), (130, 5101904), (136, 4876820), (160, 4145297), (170, 3901456), (208, 3188690), (221, 3001120), (260, 2550952), (272, 2438410), (340, 1950728), (416, 1594345), (442, 1500560), (520, 1275476), (544, 1219205), (680, 975364), (884, 750280), (1040, 637738), (1105, 600224), (1360, 487682), (1768, 375140), (2080, 318869), (2210, 300112), (2720, 243841), (3536, 187570), (4420, 150056), (7072, 93785), (8840, 75028), (17680, 37514), (18757, 35360)]