642320784

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1277}}^1$

素因数の和:1797

約数の個数: 120

約数和(自身を含む): 2060136000

約数和(自身を除く): 1417815216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 112, 126, 144, 168, 252, 336, 499, 504, 998, 1008, 1277, 1497, 1996, 2554, 2994, 3493, 3831, 3992, 4491, 5108, 5988, 6986, 7662, 7984, 8939, 8982, 10216, 10479, 11493, 11976, 13972, 15324, 17878, 17964, 20432, 20958, 22986, 23952, 26817, 27944, 30648, 31437, 35756, 35928, 41916, 45972, 53634, 55888, 61296, 62874, 71512, 71856, 80451, 83832, 91944, 107268, 125748, 143024, 160902, 167664, 183888, 214536, 251496, 321804, 429072, 502992, 637223, 643608, 1274446, 1287216, 1911669, 2548892, 3823338, 4460561, 5097784, 5735007, 7646676, 8921122, 10195568, 11470014, 13381683, 15293352, 17842244, 22940028, 26763366, 30586704, 35684488, 40145049, 45880056, 53526732, 71368976, 80290098, 91760112, 107053464, 160580196, 214106928, 321160392, 642320784]

約数ペア:

[(1, 642320784), (2, 321160392), (3, 214106928), (4, 160580196), (6, 107053464), (7, 91760112), (8, 80290098), (9, 71368976), (12, 53526732), (14, 45880056), (16, 40145049), (18, 35684488), (21, 30586704), (24, 26763366), (28, 22940028), (36, 17842244), (42, 15293352), (48, 13381683), (56, 11470014), (63, 10195568), (72, 8921122), (84, 7646676), (112, 5735007), (126, 5097784), (144, 4460561), (168, 3823338), (252, 2548892), (336, 1911669), (499, 1287216), (504, 1274446), (998, 643608), (1008, 637223), (1277, 502992), (1497, 429072), (1996, 321804), (2554, 251496), (2994, 214536), (3493, 183888), (3831, 167664), (3992, 160902), (4491, 143024), (5108, 125748), (5988, 107268), (6986, 91944), (7662, 83832), (7984, 80451), (8939, 71856), (8982, 71512), (10216, 62874), (10479, 61296), (11493, 55888), (11976, 53634), (13972, 45972), (15324, 41916), (17878, 35928), (17964, 35756), (20432, 31437), (20958, 30648), (22986, 27944), (23952, 26817)]