131065620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{997}}^1$

素因数の和:1329

約数の個数: 96

約数和(自身を含む): 421171968

約数和(自身を除く): 290106348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 313, 420, 626, 939, 997, 1252, 1565, 1878, 1994, 2191, 2991, 3130, 3756, 3988, 4382, 4695, 4985, 5982, 6260, 6573, 6979, 8764, 9390, 9970, 10955, 11964, 13146, 13958, 14955, 18780, 19940, 20937, 21910, 26292, 27916, 29910, 32865, 34895, 41874, 43820, 59820, 65730, 69790, 83748, 104685, 131460, 139580, 209370, 312061, 418740, 624122, 936183, 1248244, 1560305, 1872366, 2184427, 3120610, 3744732, 4368854, 4680915, 6241220, 6553281, 8737708, 9361830, 10922135, 13106562, 18723660, 21844270, 26213124, 32766405, 43688540, 65532810, 131065620]

約数ペア:

[(1, 131065620), (2, 65532810), (3, 43688540), (4, 32766405), (5, 26213124), (6, 21844270), (7, 18723660), (10, 13106562), (12, 10922135), (14, 9361830), (15, 8737708), (20, 6553281), (21, 6241220), (28, 4680915), (30, 4368854), (35, 3744732), (42, 3120610), (60, 2184427), (70, 1872366), (84, 1560305), (105, 1248244), (140, 936183), (210, 624122), (313, 418740), (420, 312061), (626, 209370), (939, 139580), (997, 131460), (1252, 104685), (1565, 83748), (1878, 69790), (1994, 65730), (2191, 59820), (2991, 43820), (3130, 41874), (3756, 34895), (3988, 32865), (4382, 29910), (4695, 27916), (4985, 26292), (5982, 21910), (6260, 20937), (6573, 19940), (6979, 18780), (8764, 14955), (9390, 13958), (9970, 13146), (10955, 11964)]