21655012560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{827791}}^1$

素因数の和:827916

約数の個数: 80

約数和(自身を含む): 67746497280

約数和(自身を除く): 46091484720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 872, 1090, 1308, 1635, 1744, 2180, 2616, 3270, 4360, 5232, 6540, 8720, 13080, 26160, 827791, 1655582, 2483373, 3311164, 4138955, 4966746, 6622328, 8277910, 9933492, 12416865, 13244656, 16555820, 19866984, 24833730, 33111640, 39733968, 49667460, 66223280, 90229219, 99334920, 180458438, 198669840, 270687657, 360916876, 451146095, 541375314, 721833752, 902292190, 1082750628, 1353438285, 1443667504, 1804584380, 2165501256, 2706876570, 3609168760, 4331002512, 5413753140, 7218337520, 10827506280, 21655012560]

約数ペア:

[(1, 21655012560), (2, 10827506280), (3, 7218337520), (4, 5413753140), (5, 4331002512), (6, 3609168760), (8, 2706876570), (10, 2165501256), (12, 1804584380), (15, 1443667504), (16, 1353438285), (20, 1082750628), (24, 902292190), (30, 721833752), (40, 541375314), (48, 451146095), (60, 360916876), (80, 270687657), (109, 198669840), (120, 180458438), (218, 99334920), (240, 90229219), (327, 66223280), (436, 49667460), (545, 39733968), (654, 33111640), (872, 24833730), (1090, 19866984), (1308, 16555820), (1635, 13244656), (1744, 12416865), (2180, 9933492), (2616, 8277910), (3270, 6622328), (4360, 4966746), (5232, 4138955), (6540, 3311164), (8720, 2483373), (13080, 1655582), (26160, 827791)]