128047320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{887}}^1$

素因数の和:1305

約数の個数: 96

約数和(自身を含む): 417661920

約数和(自身を除く): 289614600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 401, 802, 887, 1203, 1604, 1774, 2005, 2406, 2661, 3208, 3548, 3609, 4010, 4435, 4812, 5322, 6015, 7096, 7218, 7983, 8020, 8870, 9624, 10644, 12030, 13305, 14436, 15966, 16040, 17740, 18045, 21288, 24060, 26610, 28872, 31932, 35480, 36090, 39915, 48120, 53220, 63864, 72180, 79830, 106440, 144360, 159660, 319320, 355687, 711374, 1067061, 1422748, 1778435, 2134122, 2845496, 3201183, 3556870, 4268244, 5335305, 6402366, 7113740, 8536488, 10670610, 12804732, 14227480, 16005915, 21341220, 25609464, 32011830, 42682440, 64023660, 128047320]

約数ペア:

[(1, 128047320), (2, 64023660), (3, 42682440), (4, 32011830), (5, 25609464), (6, 21341220), (8, 16005915), (9, 14227480), (10, 12804732), (12, 10670610), (15, 8536488), (18, 7113740), (20, 6402366), (24, 5335305), (30, 4268244), (36, 3556870), (40, 3201183), (45, 2845496), (60, 2134122), (72, 1778435), (90, 1422748), (120, 1067061), (180, 711374), (360, 355687), (401, 319320), (802, 159660), (887, 144360), (1203, 106440), (1604, 79830), (1774, 72180), (2005, 63864), (2406, 53220), (2661, 48120), (3208, 39915), (3548, 36090), (3609, 35480), (4010, 31932), (4435, 28872), (4812, 26610), (5322, 24060), (6015, 21288), (7096, 18045), (7218, 17740), (7983, 16040), (8020, 15966), (8870, 14436), (9624, 13305), (10644, 12030)]