1245261720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1\times {\mathrm{331}}^1$

素因数の和:745

約数の個数: 128

約数和(自身を含む): 3794999040

約数和(自身を除く): 2549737320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 293, 321, 331, 428, 535, 586, 642, 662, 856, 879, 993, 1070, 1172, 1284, 1324, 1465, 1605, 1655, 1758, 1986, 2140, 2344, 2568, 2648, 2930, 3210, 3310, 3516, 3972, 4280, 4395, 4965, 5860, 6420, 6620, 7032, 7944, 8790, 9930, 11720, 12840, 13240, 17580, 19860, 31351, 35160, 35417, 39720, 62702, 70834, 94053, 96983, 106251, 125404, 141668, 156755, 177085, 188106, 193966, 212502, 250808, 283336, 290949, 313510, 354170, 376212, 387932, 425004, 470265, 484915, 531255, 581898, 627020, 708340, 752424, 775864, 850008, 940530, 969830, 1062510, 1163796, 1254040, 1416680, 1454745, 1881060, 1939660, 2125020, 2327592, 2909490, 3762120, 3879320, 4250040, 5818980, 10377181, 11637960, 20754362, 31131543, 41508724, 51885905, 62263086, 83017448, 103771810, 124526172, 155657715, 207543620, 249052344, 311315430, 415087240, 622630860, 1245261720]

約数ペア:

[(1, 1245261720), (2, 622630860), (3, 415087240), (4, 311315430), (5, 249052344), (6, 207543620), (8, 155657715), (10, 124526172), (12, 103771810), (15, 83017448), (20, 62263086), (24, 51885905), (30, 41508724), (40, 31131543), (60, 20754362), (107, 11637960), (120, 10377181), (214, 5818980), (293, 4250040), (321, 3879320), (331, 3762120), (428, 2909490), (535, 2327592), (586, 2125020), (642, 1939660), (662, 1881060), (856, 1454745), (879, 1416680), (993, 1254040), (1070, 1163796), (1172, 1062510), (1284, 969830), (1324, 940530), (1465, 850008), (1605, 775864), (1655, 752424), (1758, 708340), (1986, 627020), (2140, 581898), (2344, 531255), (2568, 484915), (2648, 470265), (2930, 425004), (3210, 387932), (3310, 376212), (3516, 354170), (3972, 313510), (4280, 290949), (4395, 283336), (4965, 250808), (5860, 212502), (6420, 193966), (6620, 188106), (7032, 177085), (7944, 156755), (8790, 141668), (9930, 125404), (11720, 106251), (12840, 96983), (13240, 94053), (17580, 70834), (19860, 62702), (31351, 39720), (35160, 35417)]