31648140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{911}}^1$

素因数の和:1119

約数の個数: 72

約数和(自身を含む): 96602688

約数和(自身を除く): 64954548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 579, 772, 911, 965, 1158, 1737, 1822, 1930, 2316, 2733, 2895, 3474, 3644, 3860, 4555, 5466, 5790, 6948, 8199, 8685, 9110, 10932, 11580, 13665, 16398, 17370, 18220, 27330, 32796, 34740, 40995, 54660, 81990, 163980, 175823, 351646, 527469, 703292, 879115, 1054938, 1582407, 1758230, 2109876, 2637345, 3164814, 3516460, 5274690, 6329628, 7912035, 10549380, 15824070, 31648140]

約数ペア:

[(1, 31648140), (2, 15824070), (3, 10549380), (4, 7912035), (5, 6329628), (6, 5274690), (9, 3516460), (10, 3164814), (12, 2637345), (15, 2109876), (18, 1758230), (20, 1582407), (30, 1054938), (36, 879115), (45, 703292), (60, 527469), (90, 351646), (180, 175823), (193, 163980), (386, 81990), (579, 54660), (772, 40995), (911, 34740), (965, 32796), (1158, 27330), (1737, 18220), (1822, 17370), (1930, 16398), (2316, 13665), (2733, 11580), (2895, 10932), (3474, 9110), (3644, 8685), (3860, 8199), (4555, 6948), (5466, 5790)]