138735660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{47189}}^1$

素因数の和:47215

約数の個数: 72

約数和(自身を含む): 451891440

約数和(自身を除く): 313155780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 47189, 94378, 141567, 188756, 235945, 283134, 330323, 471890, 566268, 660646, 707835, 943780, 990969, 1321292, 1415670, 1651615, 1981938, 2312261, 2831340, 3303230, 3963876, 4624522, 4954845, 6606460, 6936783, 9249044, 9909690, 11561305, 13873566, 19819380, 23122610, 27747132, 34683915, 46245220, 69367830, 138735660]

約数ペア:

[(1, 138735660), (2, 69367830), (3, 46245220), (4, 34683915), (5, 27747132), (6, 23122610), (7, 19819380), (10, 13873566), (12, 11561305), (14, 9909690), (15, 9249044), (20, 6936783), (21, 6606460), (28, 4954845), (30, 4624522), (35, 3963876), (42, 3303230), (49, 2831340), (60, 2312261), (70, 1981938), (84, 1651615), (98, 1415670), (105, 1321292), (140, 990969), (147, 943780), (196, 707835), (210, 660646), (245, 566268), (294, 471890), (420, 330323), (490, 283134), (588, 235945), (735, 188756), (980, 141567), (1470, 94378), (2940, 47189)]