255791760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{21751}}^1$

素因数の和:21781

約数の個数: 120

約数和(自身を含む): 922458816

約数和(自身を除く): 666667056

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, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 21751, 43502, 65253, 87004, 108755, 130506, 152257, 174008, 217510, 261012, 304514, 326265, 348016, 435020, 456771, 522024, 609028, 652530, 761285, 870040, 913542, 1044048, 1065799, 1218056, 1305060, 1522570, 1740080, 1827084, 2131598, 2283855, 2436112, 2610120, 3045140, 3197397, 3654168, 4263196, 4567710, 5220240, 5328995, 6090280, 6394794, 7308336, 8526392, 9135420, 10657990, 12180560, 12789588, 15986985, 17052784, 18270840, 21315980, 25579176, 31973970, 36541680, 42631960, 51158352, 63947940, 85263920, 127895880, 255791760]

約数ペア:

[(1, 255791760), (2, 127895880), (3, 85263920), (4, 63947940), (5, 51158352), (6, 42631960), (7, 36541680), (8, 31973970), (10, 25579176), (12, 21315980), (14, 18270840), (15, 17052784), (16, 15986985), (20, 12789588), (21, 12180560), (24, 10657990), (28, 9135420), (30, 8526392), (35, 7308336), (40, 6394794), (42, 6090280), (48, 5328995), (49, 5220240), (56, 4567710), (60, 4263196), (70, 3654168), (80, 3197397), (84, 3045140), (98, 2610120), (105, 2436112), (112, 2283855), (120, 2131598), (140, 1827084), (147, 1740080), (168, 1522570), (196, 1305060), (210, 1218056), (240, 1065799), (245, 1044048), (280, 913542), (294, 870040), (336, 761285), (392, 652530), (420, 609028), (490, 522024), (560, 456771), (588, 435020), (735, 348016), (784, 326265), (840, 304514), (980, 261012), (1176, 217510), (1470, 174008), (1680, 152257), (1960, 130506), (2352, 108755), (2940, 87004), (3920, 65253), (5880, 43502), (11760, 21751)]