131273520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{78139}}^1$

素因数の和:78162

約数の個数: 80

約数和(自身を含む): 465089280

約数和(自身を除く): 333815760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 78139, 156278, 234417, 312556, 390695, 468834, 546973, 625112, 781390, 937668, 1093946, 1172085, 1250224, 1562780, 1640919, 1875336, 2187892, 2344170, 2734865, 3125560, 3281838, 3750672, 4375784, 4688340, 5469730, 6251120, 6563676, 8204595, 8751568, 9376680, 10939460, 13127352, 16409190, 18753360, 21878920, 26254704, 32818380, 43757840, 65636760, 131273520]

約数ペア:

[(1, 131273520), (2, 65636760), (3, 43757840), (4, 32818380), (5, 26254704), (6, 21878920), (7, 18753360), (8, 16409190), (10, 13127352), (12, 10939460), (14, 9376680), (15, 8751568), (16, 8204595), (20, 6563676), (21, 6251120), (24, 5469730), (28, 4688340), (30, 4375784), (35, 3750672), (40, 3281838), (42, 3125560), (48, 2734865), (56, 2344170), (60, 2187892), (70, 1875336), (80, 1640919), (84, 1562780), (105, 1250224), (112, 1172085), (120, 1093946), (140, 937668), (168, 781390), (210, 625112), (240, 546973), (280, 468834), (336, 390695), (420, 312556), (560, 234417), (840, 156278), (1680, 78139)]