654317840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{6949}}^1$

素因数の和:7080

約数の個数: 80

約数和(自身を含む): 1675339200

約数和(自身を除く): 1021021360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 107, 110, 176, 214, 220, 428, 440, 535, 856, 880, 1070, 1177, 1712, 2140, 2354, 4280, 4708, 5885, 6949, 8560, 9416, 11770, 13898, 18832, 23540, 27796, 34745, 47080, 55592, 69490, 76439, 94160, 111184, 138980, 152878, 277960, 305756, 382195, 555920, 611512, 743543, 764390, 1223024, 1487086, 1528780, 2974172, 3057560, 3717715, 5948344, 6115120, 7435430, 8178973, 11896688, 14870860, 16357946, 29741720, 32715892, 40894865, 59483440, 65431784, 81789730, 130863568, 163579460, 327158920, 654317840]

約数ペア:

[(1, 654317840), (2, 327158920), (4, 163579460), (5, 130863568), (8, 81789730), (10, 65431784), (11, 59483440), (16, 40894865), (20, 32715892), (22, 29741720), (40, 16357946), (44, 14870860), (55, 11896688), (80, 8178973), (88, 7435430), (107, 6115120), (110, 5948344), (176, 3717715), (214, 3057560), (220, 2974172), (428, 1528780), (440, 1487086), (535, 1223024), (856, 764390), (880, 743543), (1070, 611512), (1177, 555920), (1712, 382195), (2140, 305756), (2354, 277960), (4280, 152878), (4708, 138980), (5885, 111184), (6949, 94160), (8560, 76439), (9416, 69490), (11770, 55592), (13898, 47080), (18832, 34745), (23540, 27796)]