15780821716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{120233}}^1$

素因数の和:120424

約数の個数: 48

約数和(自身を含む): 31914912960

約数和(自身を除く): 16134091244

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 157, 209, 314, 418, 628, 836, 1727, 2983, 3454, 5966, 6908, 11932, 32813, 65626, 120233, 131252, 240466, 480932, 1322563, 2284427, 2645126, 4568854, 5290252, 9137708, 18876581, 25128697, 37753162, 50257394, 75506324, 100514788, 207642391, 358655039, 415284782, 717310078, 830569564, 1434620156, 3945205429, 7890410858, 15780821716]

約数ペア:

[(1, 15780821716), (2, 7890410858), (4, 3945205429), (11, 1434620156), (19, 830569564), (22, 717310078), (38, 415284782), (44, 358655039), (76, 207642391), (157, 100514788), (209, 75506324), (314, 50257394), (418, 37753162), (628, 25128697), (836, 18876581), (1727, 9137708), (2983, 5290252), (3454, 4568854), (5966, 2645126), (6908, 2284427), (11932, 1322563), (32813, 480932), (65626, 240466), (120233, 131252)]