278960520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{3593}}^1$

素因数の和:4254

約数の個数: 64

約数和(自身を含む): 838408320

約数和(自身を除く): 559447800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 647, 1294, 1941, 2588, 3235, 3593, 3882, 5176, 6470, 7186, 7764, 9705, 10779, 12940, 14372, 15528, 17965, 19410, 21558, 25880, 28744, 35930, 38820, 43116, 53895, 71860, 77640, 86232, 107790, 143720, 215580, 431160, 2324671, 4649342, 6974013, 9298684, 11623355, 13948026, 18597368, 23246710, 27896052, 34870065, 46493420, 55792104, 69740130, 92986840, 139480260, 278960520]

約数ペア:

[(1, 278960520), (2, 139480260), (3, 92986840), (4, 69740130), (5, 55792104), (6, 46493420), (8, 34870065), (10, 27896052), (12, 23246710), (15, 18597368), (20, 13948026), (24, 11623355), (30, 9298684), (40, 6974013), (60, 4649342), (120, 2324671), (647, 431160), (1294, 215580), (1941, 143720), (2588, 107790), (3235, 86232), (3593, 77640), (3882, 71860), (5176, 53895), (6470, 43116), (7186, 38820), (7764, 35930), (9705, 28744), (10779, 25880), (12940, 21558), (14372, 19410), (15528, 17965)]