78898260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9887}}^1$

素因数の和:9925

約数の個数: 96

約数和(自身を含む): 265789440

約数和(自身を除く): 186891180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 9887, 19774, 29661, 39548, 49435, 59322, 69209, 98870, 118644, 138418, 148305, 187853, 197740, 207627, 276836, 296610, 346045, 375706, 415254, 563559, 593220, 692090, 751412, 830508, 939265, 1038135, 1127118, 1314971, 1384180, 1878530, 2076270, 2254236, 2629942, 2817795, 3757060, 3944913, 4152540, 5259884, 5635590, 6574855, 7889826, 11271180, 13149710, 15779652, 19724565, 26299420, 39449130, 78898260]

約数ペア:

[(1, 78898260), (2, 39449130), (3, 26299420), (4, 19724565), (5, 15779652), (6, 13149710), (7, 11271180), (10, 7889826), (12, 6574855), (14, 5635590), (15, 5259884), (19, 4152540), (20, 3944913), (21, 3757060), (28, 2817795), (30, 2629942), (35, 2254236), (38, 2076270), (42, 1878530), (57, 1384180), (60, 1314971), (70, 1127118), (76, 1038135), (84, 939265), (95, 830508), (105, 751412), (114, 692090), (133, 593220), (140, 563559), (190, 415254), (210, 375706), (228, 346045), (266, 296610), (285, 276836), (380, 207627), (399, 197740), (420, 187853), (532, 148305), (570, 138418), (665, 118644), (798, 98870), (1140, 69209), (1330, 59322), (1596, 49435), (1995, 39548), (2660, 29661), (3990, 19774), (7980, 9887)]