81578160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{3907}}^1$

素因数の和:3955

約数の個数: 120

約数和(自身を含む): 283486320

約数和(自身を除く): 201908160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 80, 87, 90, 116, 120, 144, 145, 174, 180, 232, 240, 261, 290, 348, 360, 435, 464, 522, 580, 696, 720, 870, 1044, 1160, 1305, 1392, 1740, 2088, 2320, 2610, 3480, 3907, 4176, 5220, 6960, 7814, 10440, 11721, 15628, 19535, 20880, 23442, 31256, 35163, 39070, 46884, 58605, 62512, 70326, 78140, 93768, 113303, 117210, 140652, 156280, 175815, 187536, 226606, 234420, 281304, 312560, 339909, 351630, 453212, 468840, 562608, 566515, 679818, 703260, 906424, 937680, 1019727, 1133030, 1359636, 1406520, 1699545, 1812848, 2039454, 2266060, 2719272, 2813040, 3399090, 4078908, 4532120, 5098635, 5438544, 6798180, 8157816, 9064240, 10197270, 13596360, 16315632, 20394540, 27192720, 40789080, 81578160]

約数ペア:

[(1, 81578160), (2, 40789080), (3, 27192720), (4, 20394540), (5, 16315632), (6, 13596360), (8, 10197270), (9, 9064240), (10, 8157816), (12, 6798180), (15, 5438544), (16, 5098635), (18, 4532120), (20, 4078908), (24, 3399090), (29, 2813040), (30, 2719272), (36, 2266060), (40, 2039454), (45, 1812848), (48, 1699545), (58, 1406520), (60, 1359636), (72, 1133030), (80, 1019727), (87, 937680), (90, 906424), (116, 703260), (120, 679818), (144, 566515), (145, 562608), (174, 468840), (180, 453212), (232, 351630), (240, 339909), (261, 312560), (290, 281304), (348, 234420), (360, 226606), (435, 187536), (464, 175815), (522, 156280), (580, 140652), (696, 117210), (720, 113303), (870, 93768), (1044, 78140), (1160, 70326), (1305, 62512), (1392, 58605), (1740, 46884), (2088, 39070), (2320, 35163), (2610, 31256), (3480, 23442), (3907, 20880), (4176, 19535), (5220, 15628), (6960, 11721), (7814, 10440)]