15675440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{379}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 40711680

約数和(自身を除く): 25036240

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 176, 188, 220, 235, 376, 379, 440, 470, 517, 752, 758, 880, 940, 1034, 1516, 1880, 1895, 2068, 2585, 3032, 3760, 3790, 4136, 4169, 5170, 6064, 7580, 8272, 8338, 10340, 15160, 16676, 17813, 20680, 20845, 30320, 33352, 35626, 41360, 41690, 66704, 71252, 83380, 89065, 142504, 166760, 178130, 195943, 285008, 333520, 356260, 391886, 712520, 783772, 979715, 1425040, 1567544, 1959430, 3135088, 3918860, 7837720, 15675440]

約数ペア:

[(1, 15675440), (2, 7837720), (4, 3918860), (5, 3135088), (8, 1959430), (10, 1567544), (11, 1425040), (16, 979715), (20, 783772), (22, 712520), (40, 391886), (44, 356260), (47, 333520), (55, 285008), (80, 195943), (88, 178130), (94, 166760), (110, 142504), (176, 89065), (188, 83380), (220, 71252), (235, 66704), (376, 41690), (379, 41360), (440, 35626), (470, 33352), (517, 30320), (752, 20845), (758, 20680), (880, 17813), (940, 16676), (1034, 15160), (1516, 10340), (1880, 8338), (1895, 8272), (2068, 7580), (2585, 6064), (3032, 5170), (3760, 4169), (3790, 4136)]