81333630

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{18443}}^1$

素因数の和:18470

約数の個数: 72

約数和(自身を含む): 246006072

約数和(自身を除く): 164672442

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, 18443, 36886, 55329, 92215, 110658, 129101, 165987, 184430, 258202, 276645, 331974, 387303, 553290, 645505, 774606, 829935, 903707, 1161909, 1291010, 1659870, 1807414, 1936515, 2323818, 2711121, 3873030, 4518535, 5422242, 5809545, 8133363, 9037070, 11619090, 13555605, 16266726, 27111210, 40666815, 81333630]

約数ペア:

[(1, 81333630), (2, 40666815), (3, 27111210), (5, 16266726), (6, 13555605), (7, 11619090), (9, 9037070), (10, 8133363), (14, 5809545), (15, 5422242), (18, 4518535), (21, 3873030), (30, 2711121), (35, 2323818), (42, 1936515), (45, 1807414), (49, 1659870), (63, 1291010), (70, 1161909), (90, 903707), (98, 829935), (105, 774606), (126, 645505), (147, 553290), (210, 387303), (245, 331974), (294, 276645), (315, 258202), (441, 184430), (490, 165987), (630, 129101), (735, 110658), (882, 92215), (1470, 55329), (2205, 36886), (4410, 18443)]