77920290

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{17669}}^1$

素因数の和:17696

約数の個数: 72

約数和(自身を含む): 235682460

約数和(自身を除く): 157762170

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, 17669, 35338, 53007, 88345, 106014, 123683, 159021, 176690, 247366, 265035, 318042, 371049, 530070, 618415, 742098, 795105, 865781, 1113147, 1236830, 1590210, 1731562, 1855245, 2226294, 2597343, 3710490, 4328905, 5194686, 5565735, 7792029, 8657810, 11131470, 12986715, 15584058, 25973430, 38960145, 77920290]

約数ペア:

[(1, 77920290), (2, 38960145), (3, 25973430), (5, 15584058), (6, 12986715), (7, 11131470), (9, 8657810), (10, 7792029), (14, 5565735), (15, 5194686), (18, 4328905), (21, 3710490), (30, 2597343), (35, 2226294), (42, 1855245), (45, 1731562), (49, 1590210), (63, 1236830), (70, 1113147), (90, 865781), (98, 795105), (105, 742098), (126, 618415), (147, 530070), (210, 371049), (245, 318042), (294, 265035), (315, 247366), (441, 176690), (490, 159021), (630, 123683), (735, 106014), (882, 88345), (1470, 53007), (2205, 35338), (4410, 17669)]