813641360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{797}}^1\times {\mathrm{1823}}^1$

素因数の和:2640

約数の個数: 80

約数和(自身を含む): 2165861376

約数和(自身を除く): 1352220016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 797, 1594, 1823, 3188, 3646, 3985, 5579, 6376, 7292, 7970, 9115, 11158, 12752, 12761, 14584, 15940, 18230, 22316, 25522, 27895, 29168, 31880, 36460, 44632, 51044, 55790, 63760, 63805, 72920, 89264, 102088, 111580, 127610, 145840, 204176, 223160, 255220, 446320, 510440, 1020880, 1452931, 2905862, 5811724, 7264655, 10170517, 11623448, 14529310, 20341034, 23246896, 29058620, 40682068, 50852585, 58117240, 81364136, 101705170, 116234480, 162728272, 203410340, 406820680, 813641360]

約数ペア:

[(1, 813641360), (2, 406820680), (4, 203410340), (5, 162728272), (7, 116234480), (8, 101705170), (10, 81364136), (14, 58117240), (16, 50852585), (20, 40682068), (28, 29058620), (35, 23246896), (40, 20341034), (56, 14529310), (70, 11623448), (80, 10170517), (112, 7264655), (140, 5811724), (280, 2905862), (560, 1452931), (797, 1020880), (1594, 510440), (1823, 446320), (3188, 255220), (3646, 223160), (3985, 204176), (5579, 145840), (6376, 127610), (7292, 111580), (7970, 102088), (9115, 89264), (11158, 72920), (12752, 63805), (12761, 63760), (14584, 55790), (15940, 51044), (18230, 44632), (22316, 36460), (25522, 31880), (27895, 29168)]