81501210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{18481}}^1$

素因数の和:18508

約数の個数: 72

約数和(自身を含む): 246512916

約数和(自身を除く): 165011706

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 18481, 36962, 55443, 92405, 110886, 129367, 166329, 184810, 258734, 277215, 332658, 388101, 554430, 646835, 776202, 831645, 905569, 1164303, 1293670, 1663290, 1811138, 1940505, 2328606, 2716707, 3881010, 4527845, 5433414, 5821515, 8150121, 9055690, 11643030, 13583535, 16300242, 27167070, 40750605, 81501210]

約数ペア:

[(1, 81501210), (2, 40750605), (3, 27167070), (5, 16300242), (6, 13583535), (7, 11643030), (9, 9055690), (10, 8150121), (14, 5821515), (15, 5433414), (18, 4527845), (21, 3881010), (30, 2716707), (35, 2328606), (42, 1940505), (45, 1811138), (49, 1663290), (63, 1293670), (70, 1164303), (90, 905569), (98, 831645), (105, 776202), (126, 646835), (147, 554430), (210, 388101), (245, 332658), (294, 277215), (315, 258734), (441, 184810), (490, 166329), (630, 129367), (735, 110886), (882, 92405), (1470, 55443), (2205, 36962), (4410, 18481)]