1205321820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{3361}}^1$

素因数の和:3555

約数の個数: 96

約数和(自身を含む): 3479266560

約数和(自身を除く): 2273944740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 139, 172, 215, 258, 278, 417, 430, 516, 556, 645, 695, 834, 860, 1290, 1390, 1668, 2085, 2580, 2780, 3361, 4170, 5977, 6722, 8340, 10083, 11954, 13444, 16805, 17931, 20166, 23908, 29885, 33610, 35862, 40332, 50415, 59770, 67220, 71724, 89655, 100830, 119540, 144523, 179310, 201660, 289046, 358620, 433569, 467179, 578092, 722615, 867138, 934358, 1401537, 1445230, 1734276, 1868716, 2167845, 2335895, 2803074, 2890460, 4335690, 4671790, 5606148, 7007685, 8671380, 9343580, 14015370, 20088697, 28030740, 40177394, 60266091, 80354788, 100443485, 120532182, 200886970, 241064364, 301330455, 401773940, 602660910, 1205321820]

約数ペア:

[(1, 1205321820), (2, 602660910), (3, 401773940), (4, 301330455), (5, 241064364), (6, 200886970), (10, 120532182), (12, 100443485), (15, 80354788), (20, 60266091), (30, 40177394), (43, 28030740), (60, 20088697), (86, 14015370), (129, 9343580), (139, 8671380), (172, 7007685), (215, 5606148), (258, 4671790), (278, 4335690), (417, 2890460), (430, 2803074), (516, 2335895), (556, 2167845), (645, 1868716), (695, 1734276), (834, 1445230), (860, 1401537), (1290, 934358), (1390, 867138), (1668, 722615), (2085, 578092), (2580, 467179), (2780, 433569), (3361, 358620), (4170, 289046), (5977, 201660), (6722, 179310), (8340, 144523), (10083, 119540), (11954, 100830), (13444, 89655), (16805, 71724), (17931, 67220), (20166, 59770), (23908, 50415), (29885, 40332), (33610, 35862)]