12680800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^2\times {\mathrm{131}}^1$

素因数の和:173

約数の個数: 108

約数和(自身を含む): 34286868

約数和(自身を除く): 21606068

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 121, 131, 160, 176, 200, 220, 242, 262, 275, 352, 400, 440, 484, 524, 550, 605, 655, 800, 880, 968, 1048, 1100, 1210, 1310, 1441, 1760, 1936, 2096, 2200, 2420, 2620, 2882, 3025, 3275, 3872, 4192, 4400, 4840, 5240, 5764, 6050, 6550, 7205, 8800, 9680, 10480, 11528, 12100, 13100, 14410, 15851, 19360, 20960, 23056, 24200, 26200, 28820, 31702, 36025, 46112, 48400, 52400, 57640, 63404, 72050, 79255, 96800, 104800, 115280, 126808, 144100, 158510, 230560, 253616, 288200, 317020, 396275, 507232, 576400, 634040, 792550, 1152800, 1268080, 1585100, 2536160, 3170200, 6340400, 12680800]

約数ペア:

[(1, 12680800), (2, 6340400), (4, 3170200), (5, 2536160), (8, 1585100), (10, 1268080), (11, 1152800), (16, 792550), (20, 634040), (22, 576400), (25, 507232), (32, 396275), (40, 317020), (44, 288200), (50, 253616), (55, 230560), (80, 158510), (88, 144100), (100, 126808), (110, 115280), (121, 104800), (131, 96800), (160, 79255), (176, 72050), (200, 63404), (220, 57640), (242, 52400), (262, 48400), (275, 46112), (352, 36025), (400, 31702), (440, 28820), (484, 26200), (524, 24200), (550, 23056), (605, 20960), (655, 19360), (800, 15851), (880, 14410), (968, 13100), (1048, 12100), (1100, 11528), (1210, 10480), (1310, 9680), (1441, 8800), (1760, 7205), (1936, 6550), (2096, 6050), (2200, 5764), (2420, 5240), (2620, 4840), (2882, 4400), (3025, 4192), (3275, 3872)]