1272317840

素因数分解:

$2^4\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{15307}}^1$

素因数の和:16359

約数の個数: 40

約数和(自身を含む): 2961179520

約数和(自身を除く): 1688861680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1039, 2078, 4156, 5195, 8312, 10390, 15307, 16624, 20780, 30614, 41560, 61228, 76535, 83120, 122456, 153070, 244912, 306140, 612280, 1224560, 15903973, 31807946, 63615892, 79519865, 127231784, 159039730, 254463568, 318079460, 636158920, 1272317840]

約数ペア:

[(1, 1272317840), (2, 636158920), (4, 318079460), (5, 254463568), (8, 159039730), (10, 127231784), (16, 79519865), (20, 63615892), (40, 31807946), (80, 15903973), (1039, 1224560), (2078, 612280), (4156, 306140), (5195, 244912), (8312, 153070), (10390, 122456), (15307, 83120), (16624, 76535), (20780, 61228), (30614, 41560)]