12897780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 43436736

約数和(自身を除く): 30538956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 107, 123, 140, 147, 164, 196, 205, 210, 214, 245, 246, 287, 294, 321, 410, 420, 428, 490, 492, 535, 574, 588, 615, 642, 735, 749, 820, 861, 980, 1070, 1148, 1230, 1284, 1435, 1470, 1498, 1605, 1722, 2009, 2140, 2247, 2460, 2870, 2940, 2996, 3210, 3444, 3745, 4018, 4305, 4387, 4494, 5243, 5740, 6027, 6420, 7490, 8036, 8610, 8774, 8988, 10045, 10486, 11235, 12054, 13161, 14980, 15729, 17220, 17548, 20090, 20972, 21935, 22470, 24108, 26215, 26322, 30135, 30709, 31458, 40180, 43870, 44940, 52430, 52644, 60270, 61418, 62916, 65805, 78645, 87740, 92127, 104860, 120540, 122836, 131610, 153545, 157290, 184254, 214963, 263220, 307090, 314580, 368508, 429926, 460635, 614180, 644889, 859852, 921270, 1074815, 1289778, 1842540, 2149630, 2579556, 3224445, 4299260, 6448890, 12897780]

約数ペア:

[(1, 12897780), (2, 6448890), (3, 4299260), (4, 3224445), (5, 2579556), (6, 2149630), (7, 1842540), (10, 1289778), (12, 1074815), (14, 921270), (15, 859852), (20, 644889), (21, 614180), (28, 460635), (30, 429926), (35, 368508), (41, 314580), (42, 307090), (49, 263220), (60, 214963), (70, 184254), (82, 157290), (84, 153545), (98, 131610), (105, 122836), (107, 120540), (123, 104860), (140, 92127), (147, 87740), (164, 78645), (196, 65805), (205, 62916), (210, 61418), (214, 60270), (245, 52644), (246, 52430), (287, 44940), (294, 43870), (321, 40180), (410, 31458), (420, 30709), (428, 30135), (490, 26322), (492, 26215), (535, 24108), (574, 22470), (588, 21935), (615, 20972), (642, 20090), (735, 17548), (749, 17220), (820, 15729), (861, 14980), (980, 13161), (1070, 12054), (1148, 11235), (1230, 10486), (1284, 10045), (1435, 8988), (1470, 8774), (1498, 8610), (1605, 8036), (1722, 7490), (2009, 6420), (2140, 6027), (2247, 5740), (2460, 5243), (2870, 4494), (2940, 4387), (2996, 4305), (3210, 4018), (3444, 3745)]