128889810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{204587}}^1$

素因数の和:204607

約数の個数: 48

約数和(自身を含む): 382988736

約数和(自身を除く): 254098926

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 204587, 409174, 613761, 1022935, 1227522, 1432109, 1841283, 2045870, 2864218, 3068805, 3682566, 4296327, 6137610, 7160545, 8592654, 9206415, 12888981, 14321090, 18412830, 21481635, 25777962, 42963270, 64444905, 128889810]

約数ペア:

[(1, 128889810), (2, 64444905), (3, 42963270), (5, 25777962), (6, 21481635), (7, 18412830), (9, 14321090), (10, 12888981), (14, 9206415), (15, 8592654), (18, 7160545), (21, 6137610), (30, 4296327), (35, 3682566), (42, 3068805), (45, 2864218), (63, 2045870), (70, 1841283), (90, 1432109), (105, 1227522), (126, 1022935), (210, 613761), (315, 409174), (630, 204587)]