280326564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{863}}^1\times {\mathrm{1289}}^1$

素因数の和:2169

約数の個数: 72

約数和(自身を含む): 811399680

約数和(自身を除く): 531073116

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 863, 1289, 1726, 2578, 2589, 3452, 3867, 5156, 5178, 6041, 7734, 7767, 9023, 10356, 11601, 12082, 15468, 15534, 18046, 18123, 23202, 24164, 27069, 31068, 36092, 36246, 46404, 54138, 54369, 72492, 81207, 108276, 108738, 162414, 217476, 324828, 1112407, 2224814, 3337221, 4449628, 6674442, 7786849, 10011663, 13348884, 15573698, 20023326, 23360547, 31147396, 40046652, 46721094, 70081641, 93442188, 140163282, 280326564]

約数ペア:

[(1, 280326564), (2, 140163282), (3, 93442188), (4, 70081641), (6, 46721094), (7, 40046652), (9, 31147396), (12, 23360547), (14, 20023326), (18, 15573698), (21, 13348884), (28, 10011663), (36, 7786849), (42, 6674442), (63, 4449628), (84, 3337221), (126, 2224814), (252, 1112407), (863, 324828), (1289, 217476), (1726, 162414), (2578, 108738), (2589, 108276), (3452, 81207), (3867, 72492), (5156, 54369), (5178, 54138), (6041, 46404), (7734, 36246), (7767, 36092), (9023, 31068), (10356, 27069), (11601, 24164), (12082, 23202), (15468, 18123), (15534, 18046)]