20020654560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{359}}^1\times {\mathrm{521}}^1$

素因数の和:1121

約数の個数: 192

約数和(自身を含む): 63646248960

約数和(自身を除く): 43625594400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 223, 240, 359, 446, 480, 521, 669, 718, 892, 1042, 1077, 1115, 1338, 1436, 1563, 1784, 1795, 2084, 2154, 2230, 2605, 2676, 2872, 3126, 3345, 3568, 3590, 4168, 4308, 4460, 5210, 5352, 5385, 5744, 6252, 6690, 7136, 7180, 7815, 8336, 8616, 8920, 10420, 10704, 10770, 11488, 12504, 13380, 14360, 15630, 16672, 17232, 17840, 20840, 21408, 21540, 25008, 26760, 28720, 31260, 34464, 35680, 41680, 43080, 50016, 53520, 57440, 62520, 80057, 83360, 86160, 107040, 116183, 125040, 160114, 172320, 187039, 232366, 240171, 250080, 320228, 348549, 374078, 400285, 464732, 480342, 561117, 580915, 640456, 697098, 748156, 800570, 929464, 935195, 960684, 1122234, 1161830, 1200855, 1280912, 1394196, 1496312, 1601140, 1742745, 1858928, 1870390, 1921368, 2244468, 2323660, 2401710, 2561824, 2788392, 2805585, 2992624, 3202280, 3485490, 3717856, 3740780, 3842736, 4488936, 4647320, 4803420, 5576784, 5611170, 5985248, 6404560, 6970980, 7481560, 7685472, 8977872, 9294640, 9606840, 11153568, 11222340, 12809120, 13941960, 14963120, 17955744, 18589280, 19213680, 22444680, 27883920, 29926240, 38427360, 41709697, 44889360, 55767840, 83419394, 89778720, 125129091, 166838788, 208548485, 250258182, 333677576, 417096970, 500516364, 625645455, 667355152, 834193940, 1001032728, 1251290910, 1334710304, 1668387880, 2002065456, 2502581820, 3336775760, 4004130912, 5005163640, 6673551520, 10010327280, 20020654560]

約数ペア:

[(1, 20020654560), (2, 10010327280), (3, 6673551520), (4, 5005163640), (5, 4004130912), (6, 3336775760), (8, 2502581820), (10, 2002065456), (12, 1668387880), (15, 1334710304), (16, 1251290910), (20, 1001032728), (24, 834193940), (30, 667355152), (32, 625645455), (40, 500516364), (48, 417096970), (60, 333677576), (80, 250258182), (96, 208548485), (120, 166838788), (160, 125129091), (223, 89778720), (240, 83419394), (359, 55767840), (446, 44889360), (480, 41709697), (521, 38427360), (669, 29926240), (718, 27883920), (892, 22444680), (1042, 19213680), (1077, 18589280), (1115, 17955744), (1338, 14963120), (1436, 13941960), (1563, 12809120), (1784, 11222340), (1795, 11153568), (2084, 9606840), (2154, 9294640), (2230, 8977872), (2605, 7685472), (2676, 7481560), (2872, 6970980), (3126, 6404560), (3345, 5985248), (3568, 5611170), (3590, 5576784), (4168, 4803420), (4308, 4647320), (4460, 4488936), (5210, 3842736), (5352, 3740780), (5385, 3717856), (5744, 3485490), (6252, 3202280), (6690, 2992624), (7136, 2805585), (7180, 2788392), (7815, 2561824), (8336, 2401710), (8616, 2323660), (8920, 2244468), (10420, 1921368), (10704, 1870390), (10770, 1858928), (11488, 1742745), (12504, 1601140), (13380, 1496312), (14360, 1394196), (15630, 1280912), (16672, 1200855), (17232, 1161830), (17840, 1122234), (20840, 960684), (21408, 935195), (21540, 929464), (25008, 800570), (26760, 748156), (28720, 697098), (31260, 640456), (34464, 580915), (35680, 561117), (41680, 480342), (43080, 464732), (50016, 400285), (53520, 374078), (57440, 348549), (62520, 320228), (80057, 250080), (83360, 240171), (86160, 232366), (107040, 187039), (116183, 172320), (125040, 160114)]