31242540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1019}}^1$

素因数の和:1111

約数の個数: 96

約数和(自身を含む): 101445120

約数和(自身を除く): 70202580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 140, 146, 210, 219, 292, 365, 420, 438, 511, 730, 876, 1019, 1022, 1095, 1460, 1533, 2038, 2044, 2190, 2555, 3057, 3066, 4076, 4380, 5095, 5110, 6114, 6132, 7133, 7665, 10190, 10220, 12228, 14266, 15285, 15330, 20380, 21399, 28532, 30570, 30660, 35665, 42798, 61140, 71330, 74387, 85596, 106995, 142660, 148774, 213990, 223161, 297548, 371935, 427980, 446322, 520709, 743870, 892644, 1041418, 1115805, 1487740, 1562127, 2082836, 2231610, 2603545, 3124254, 4463220, 5207090, 6248508, 7810635, 10414180, 15621270, 31242540]

約数ペア:

[(1, 31242540), (2, 15621270), (3, 10414180), (4, 7810635), (5, 6248508), (6, 5207090), (7, 4463220), (10, 3124254), (12, 2603545), (14, 2231610), (15, 2082836), (20, 1562127), (21, 1487740), (28, 1115805), (30, 1041418), (35, 892644), (42, 743870), (60, 520709), (70, 446322), (73, 427980), (84, 371935), (105, 297548), (140, 223161), (146, 213990), (210, 148774), (219, 142660), (292, 106995), (365, 85596), (420, 74387), (438, 71330), (511, 61140), (730, 42798), (876, 35665), (1019, 30660), (1022, 30570), (1095, 28532), (1460, 21399), (1533, 20380), (2038, 15330), (2044, 15285), (2190, 14266), (2555, 12228), (3057, 10220), (3066, 10190), (4076, 7665), (4380, 7133), (5095, 6132), (5110, 6114)]