1262751280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1439}}^1\times {\mathrm{1567}}^1$

素因数の和:3026

約数の個数: 80

約数和(自身を含む): 3359784960

約数和(自身を除く): 2097033680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1439, 1567, 2878, 3134, 5756, 6268, 7195, 7835, 10073, 10969, 11512, 12536, 14390, 15670, 20146, 21938, 23024, 25072, 28780, 31340, 40292, 43876, 50365, 54845, 57560, 62680, 80584, 87752, 100730, 109690, 115120, 125360, 161168, 175504, 201460, 219380, 402920, 438760, 805840, 877520, 2254913, 4509826, 9019652, 11274565, 15784391, 18039304, 22549130, 31568782, 36078608, 45098260, 63137564, 78921955, 90196520, 126275128, 157843910, 180393040, 252550256, 315687820, 631375640, 1262751280]

約数ペア:

[(1, 1262751280), (2, 631375640), (4, 315687820), (5, 252550256), (7, 180393040), (8, 157843910), (10, 126275128), (14, 90196520), (16, 78921955), (20, 63137564), (28, 45098260), (35, 36078608), (40, 31568782), (56, 22549130), (70, 18039304), (80, 15784391), (112, 11274565), (140, 9019652), (280, 4509826), (560, 2254913), (1439, 877520), (1567, 805840), (2878, 438760), (3134, 402920), (5756, 219380), (6268, 201460), (7195, 175504), (7835, 161168), (10073, 125360), (10969, 115120), (11512, 109690), (12536, 100730), (14390, 87752), (15670, 80584), (20146, 62680), (21938, 57560), (23024, 54845), (25072, 50365), (28780, 43876), (31340, 40292)]