665838180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8663}}^1$

素因数の和:8746

約数の個数: 144

約数和(自身を含む): 2346349824

約数和(自身を除く): 1680511644

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 854, 915, 1098, 1220, 1260, 1281, 1708, 1830, 2135, 2196, 2562, 2745, 3660, 3843, 4270, 5124, 5490, 6405, 7686, 8540, 8663, 10980, 12810, 15372, 17326, 19215, 25620, 25989, 34652, 38430, 43315, 51978, 60641, 76860, 77967, 86630, 103956, 121282, 129945, 155934, 173260, 181923, 242564, 259890, 303205, 311868, 363846, 389835, 519780, 528443, 545769, 606410, 727692, 779670, 909615, 1056886, 1091538, 1212820, 1559340, 1585329, 1819230, 2113772, 2183076, 2642215, 2728845, 3170658, 3638460, 3699101, 4755987, 5284430, 5457690, 6341316, 7398202, 7926645, 9511974, 10568860, 10915380, 11097303, 14796404, 15853290, 18495505, 19023948, 22194606, 23779935, 31706580, 33291909, 36991010, 44389212, 47559870, 55486515, 66583818, 73982020, 95119740, 110973030, 133167636, 166459545, 221946060, 332919090, 665838180]

約数ペア:

[(1, 665838180), (2, 332919090), (3, 221946060), (4, 166459545), (5, 133167636), (6, 110973030), (7, 95119740), (9, 73982020), (10, 66583818), (12, 55486515), (14, 47559870), (15, 44389212), (18, 36991010), (20, 33291909), (21, 31706580), (28, 23779935), (30, 22194606), (35, 19023948), (36, 18495505), (42, 15853290), (45, 14796404), (60, 11097303), (61, 10915380), (63, 10568860), (70, 9511974), (84, 7926645), (90, 7398202), (105, 6341316), (122, 5457690), (126, 5284430), (140, 4755987), (180, 3699101), (183, 3638460), (210, 3170658), (244, 2728845), (252, 2642215), (305, 2183076), (315, 2113772), (366, 1819230), (420, 1585329), (427, 1559340), (549, 1212820), (610, 1091538), (630, 1056886), (732, 909615), (854, 779670), (915, 727692), (1098, 606410), (1220, 545769), (1260, 528443), (1281, 519780), (1708, 389835), (1830, 363846), (2135, 311868), (2196, 303205), (2562, 259890), (2745, 242564), (3660, 181923), (3843, 173260), (4270, 155934), (5124, 129945), (5490, 121282), (6405, 103956), (7686, 86630), (8540, 77967), (8663, 76860), (10980, 60641), (12810, 51978), (15372, 43315), (17326, 38430), (19215, 34652), (25620, 25989)]