289762960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:281

約数の個数: 120

約数和(自身を含む): 729078336

約数和(自身を除く): 439315376

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 83, 85, 136, 151, 166, 170, 272, 289, 302, 332, 340, 415, 578, 604, 664, 680, 755, 830, 1156, 1208, 1328, 1360, 1411, 1445, 1510, 1660, 2312, 2416, 2567, 2822, 2890, 3020, 3320, 4624, 5134, 5644, 5780, 6040, 6640, 7055, 10268, 11288, 11560, 12080, 12533, 12835, 14110, 20536, 22576, 23120, 23987, 25066, 25670, 28220, 41072, 43639, 47974, 50132, 51340, 56440, 62665, 87278, 95948, 100264, 102680, 112880, 119935, 125330, 174556, 191896, 200528, 205360, 213061, 218195, 239870, 250660, 349112, 383792, 426122, 436390, 479740, 501320, 698224, 852244, 872780, 959480, 1002640, 1065305, 1704488, 1745560, 1918960, 2130610, 3408976, 3491120, 3622037, 4261220, 7244074, 8522440, 14488148, 17044880, 18110185, 28976296, 36220370, 57952592, 72440740, 144881480, 289762960]

約数ペア:

[(1, 289762960), (2, 144881480), (4, 72440740), (5, 57952592), (8, 36220370), (10, 28976296), (16, 18110185), (17, 17044880), (20, 14488148), (34, 8522440), (40, 7244074), (68, 4261220), (80, 3622037), (83, 3491120), (85, 3408976), (136, 2130610), (151, 1918960), (166, 1745560), (170, 1704488), (272, 1065305), (289, 1002640), (302, 959480), (332, 872780), (340, 852244), (415, 698224), (578, 501320), (604, 479740), (664, 436390), (680, 426122), (755, 383792), (830, 349112), (1156, 250660), (1208, 239870), (1328, 218195), (1360, 213061), (1411, 205360), (1445, 200528), (1510, 191896), (1660, 174556), (2312, 125330), (2416, 119935), (2567, 112880), (2822, 102680), (2890, 100264), (3020, 95948), (3320, 87278), (4624, 62665), (5134, 56440), (5644, 51340), (5780, 50132), (6040, 47974), (6640, 43639), (7055, 41072), (10268, 28220), (11288, 25670), (11560, 25066), (12080, 23987), (12533, 23120), (12835, 22576), (14110, 20536)]