81763020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1231}}^1$

素因数の和:1293

約数の個数: 120

約数和(自身を含む): 262963008

約数和(自身を除く): 181199988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 81, 82, 90, 108, 123, 135, 162, 164, 180, 205, 246, 270, 324, 369, 405, 410, 492, 540, 615, 738, 810, 820, 1107, 1230, 1231, 1476, 1620, 1845, 2214, 2460, 2462, 3321, 3690, 3693, 4428, 4924, 5535, 6155, 6642, 7380, 7386, 11070, 11079, 12310, 13284, 14772, 16605, 18465, 22140, 22158, 24620, 33210, 33237, 36930, 44316, 50471, 55395, 66420, 66474, 73860, 99711, 100942, 110790, 132948, 151413, 166185, 199422, 201884, 221580, 252355, 302826, 332370, 398844, 454239, 498555, 504710, 605652, 664740, 757065, 908478, 997110, 1009420, 1362717, 1514130, 1816956, 1994220, 2271195, 2725434, 3028260, 4088151, 4542390, 5450868, 6813585, 8176302, 9084780, 13627170, 16352604, 20440755, 27254340, 40881510, 81763020]

約数ペア:

[(1, 81763020), (2, 40881510), (3, 27254340), (4, 20440755), (5, 16352604), (6, 13627170), (9, 9084780), (10, 8176302), (12, 6813585), (15, 5450868), (18, 4542390), (20, 4088151), (27, 3028260), (30, 2725434), (36, 2271195), (41, 1994220), (45, 1816956), (54, 1514130), (60, 1362717), (81, 1009420), (82, 997110), (90, 908478), (108, 757065), (123, 664740), (135, 605652), (162, 504710), (164, 498555), (180, 454239), (205, 398844), (246, 332370), (270, 302826), (324, 252355), (369, 221580), (405, 201884), (410, 199422), (492, 166185), (540, 151413), (615, 132948), (738, 110790), (810, 100942), (820, 99711), (1107, 73860), (1230, 66474), (1231, 66420), (1476, 55395), (1620, 50471), (1845, 44316), (2214, 36930), (2460, 33237), (2462, 33210), (3321, 24620), (3690, 22158), (3693, 22140), (4428, 18465), (4924, 16605), (5535, 14772), (6155, 13284), (6642, 12310), (7380, 11079), (7386, 11070)]