31818768

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 87494400

約数和(自身を除く): 55675632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 139, 152, 228, 251, 278, 304, 417, 456, 502, 556, 753, 834, 912, 1004, 1112, 1506, 1668, 2008, 2224, 2641, 3012, 3336, 4016, 4769, 5282, 6024, 6672, 7923, 9538, 10564, 12048, 14307, 15846, 19076, 21128, 28614, 31692, 34889, 38152, 42256, 57228, 63384, 69778, 76304, 104667, 114456, 126768, 139556, 209334, 228912, 279112, 418668, 558224, 662891, 837336, 1325782, 1674672, 1988673, 2651564, 3977346, 5303128, 7954692, 10606256, 15909384, 31818768]

約数ペア:

[(1, 31818768), (2, 15909384), (3, 10606256), (4, 7954692), (6, 5303128), (8, 3977346), (12, 2651564), (16, 1988673), (19, 1674672), (24, 1325782), (38, 837336), (48, 662891), (57, 558224), (76, 418668), (114, 279112), (139, 228912), (152, 209334), (228, 139556), (251, 126768), (278, 114456), (304, 104667), (417, 76304), (456, 69778), (502, 63384), (556, 57228), (753, 42256), (834, 38152), (912, 34889), (1004, 31692), (1112, 28614), (1506, 21128), (1668, 19076), (2008, 15846), (2224, 14307), (2641, 12048), (3012, 10564), (3336, 9538), (4016, 7923), (4769, 6672), (5282, 6024)]