80853948

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4519}}^1$

素因数の和:4607

約数の個数: 72

約数和(自身を含む): 236920320

約数和(自身を除く): 156066372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 213, 252, 284, 426, 497, 639, 852, 994, 1278, 1491, 1988, 2556, 2982, 4473, 4519, 5964, 8946, 9038, 13557, 17892, 18076, 27114, 31633, 40671, 54228, 63266, 81342, 94899, 126532, 162684, 189798, 284697, 320849, 379596, 569394, 641698, 962547, 1138788, 1283396, 1925094, 2245943, 2887641, 3850188, 4491886, 5775282, 6737829, 8983772, 11550564, 13475658, 20213487, 26951316, 40426974, 80853948]

約数ペア:

[(1, 80853948), (2, 40426974), (3, 26951316), (4, 20213487), (6, 13475658), (7, 11550564), (9, 8983772), (12, 6737829), (14, 5775282), (18, 4491886), (21, 3850188), (28, 2887641), (36, 2245943), (42, 1925094), (63, 1283396), (71, 1138788), (84, 962547), (126, 641698), (142, 569394), (213, 379596), (252, 320849), (284, 284697), (426, 189798), (497, 162684), (639, 126532), (852, 94899), (994, 81342), (1278, 63266), (1491, 54228), (1988, 40671), (2556, 31633), (2982, 27114), (4473, 18076), (4519, 17892), (5964, 13557), (8946, 9038)]