157796520

素因数分解:

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

素因数の和:9927

約数の個数: 128

約数和(自身を含む): 569548800

約数和(自身を除く): 411752280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3990, 5320, 7980, 9887, 15960, 19774, 29661, 39548, 49435, 59322, 69209, 79096, 98870, 118644, 138418, 148305, 187853, 197740, 207627, 237288, 276836, 296610, 346045, 375706, 395480, 415254, 553672, 563559, 593220, 692090, 751412, 830508, 939265, 1038135, 1127118, 1186440, 1314971, 1384180, 1502824, 1661016, 1878530, 2076270, 2254236, 2629942, 2768360, 2817795, 3757060, 3944913, 4152540, 4508472, 5259884, 5635590, 6574855, 7514120, 7889826, 8305080, 10519768, 11271180, 13149710, 15779652, 19724565, 22542360, 26299420, 31559304, 39449130, 52598840, 78898260, 157796520]

約数ペア:

[(1, 157796520), (2, 78898260), (3, 52598840), (4, 39449130), (5, 31559304), (6, 26299420), (7, 22542360), (8, 19724565), (10, 15779652), (12, 13149710), (14, 11271180), (15, 10519768), (19, 8305080), (20, 7889826), (21, 7514120), (24, 6574855), (28, 5635590), (30, 5259884), (35, 4508472), (38, 4152540), (40, 3944913), (42, 3757060), (56, 2817795), (57, 2768360), (60, 2629942), (70, 2254236), (76, 2076270), (84, 1878530), (95, 1661016), (105, 1502824), (114, 1384180), (120, 1314971), (133, 1186440), (140, 1127118), (152, 1038135), (168, 939265), (190, 830508), (210, 751412), (228, 692090), (266, 593220), (280, 563559), (285, 553672), (380, 415254), (399, 395480), (420, 375706), (456, 346045), (532, 296610), (570, 276836), (665, 237288), (760, 207627), (798, 197740), (840, 187853), (1064, 148305), (1140, 138418), (1330, 118644), (1596, 98870), (1995, 79096), (2280, 69209), (2660, 59322), (3192, 49435), (3990, 39548), (5320, 29661), (7980, 19774), (9887, 15960)]