81366480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8693}}^1$

素因数の和:8725

約数の個数: 120

約数和(自身を含む): 294309288

約数和(自身を除く): 212942808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 8693, 9360, 17386, 26079, 34772, 43465, 52158, 69544, 78237, 86930, 104316, 113009, 130395, 139088, 156474, 173860, 208632, 226018, 260790, 312948, 339027, 347720, 391185, 417264, 452036, 521580, 565045, 625896, 678054, 695440, 782370, 904072, 1017081, 1043160, 1130090, 1251792, 1356108, 1564740, 1695135, 1808144, 2034162, 2086320, 2260180, 2712216, 3129480, 3390270, 4068324, 4520360, 5085405, 5424432, 6258960, 6780540, 8136648, 9040720, 10170810, 13561080, 16273296, 20341620, 27122160, 40683240, 81366480]

約数ペア:

[(1, 81366480), (2, 40683240), (3, 27122160), (4, 20341620), (5, 16273296), (6, 13561080), (8, 10170810), (9, 9040720), (10, 8136648), (12, 6780540), (13, 6258960), (15, 5424432), (16, 5085405), (18, 4520360), (20, 4068324), (24, 3390270), (26, 3129480), (30, 2712216), (36, 2260180), (39, 2086320), (40, 2034162), (45, 1808144), (48, 1695135), (52, 1564740), (60, 1356108), (65, 1251792), (72, 1130090), (78, 1043160), (80, 1017081), (90, 904072), (104, 782370), (117, 695440), (120, 678054), (130, 625896), (144, 565045), (156, 521580), (180, 452036), (195, 417264), (208, 391185), (234, 347720), (240, 339027), (260, 312948), (312, 260790), (360, 226018), (390, 208632), (468, 173860), (520, 156474), (585, 139088), (624, 130395), (720, 113009), (780, 104316), (936, 86930), (1040, 78237), (1170, 69544), (1560, 52158), (1872, 43465), (2340, 34772), (3120, 26079), (4680, 17386), (8693, 9360)]