128818020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{69257}}^1$

素因数の和:69300

約数の個数: 48

約数和(自身を含む): 372331008

約数和(自身を除く): 243512988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 69257, 138514, 207771, 277028, 346285, 415542, 692570, 831084, 1038855, 1385140, 2077710, 2146967, 4155420, 4293934, 6440901, 8587868, 10734835, 12881802, 21469670, 25763604, 32204505, 42939340, 64409010, 128818020]

約数ペア:

[(1, 128818020), (2, 64409010), (3, 42939340), (4, 32204505), (5, 25763604), (6, 21469670), (10, 12881802), (12, 10734835), (15, 8587868), (20, 6440901), (30, 4293934), (31, 4155420), (60, 2146967), (62, 2077710), (93, 1385140), (124, 1038855), (155, 831084), (186, 692570), (310, 415542), (372, 346285), (465, 277028), (620, 207771), (930, 138514), (1860, 69257)]