12871560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 42900480

約数和(自身を除く): 30028920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 223, 260, 296, 312, 370, 390, 444, 446, 481, 520, 555, 669, 740, 780, 888, 892, 962, 1110, 1115, 1338, 1443, 1480, 1560, 1784, 1924, 2220, 2230, 2405, 2676, 2886, 2899, 3345, 3848, 4440, 4460, 4810, 5352, 5772, 5798, 6690, 7215, 8251, 8697, 8920, 9620, 11544, 11596, 13380, 14430, 14495, 16502, 17394, 19240, 23192, 24753, 26760, 28860, 28990, 33004, 34788, 41255, 43485, 49506, 57720, 57980, 66008, 69576, 82510, 86970, 99012, 107263, 115960, 123765, 165020, 173940, 198024, 214526, 247530, 321789, 330040, 347880, 429052, 495060, 536315, 643578, 858104, 990120, 1072630, 1287156, 1608945, 2145260, 2574312, 3217890, 4290520, 6435780, 12871560]

約数ペア:

[(1, 12871560), (2, 6435780), (3, 4290520), (4, 3217890), (5, 2574312), (6, 2145260), (8, 1608945), (10, 1287156), (12, 1072630), (13, 990120), (15, 858104), (20, 643578), (24, 536315), (26, 495060), (30, 429052), (37, 347880), (39, 330040), (40, 321789), (52, 247530), (60, 214526), (65, 198024), (74, 173940), (78, 165020), (104, 123765), (111, 115960), (120, 107263), (130, 99012), (148, 86970), (156, 82510), (185, 69576), (195, 66008), (222, 57980), (223, 57720), (260, 49506), (296, 43485), (312, 41255), (370, 34788), (390, 33004), (444, 28990), (446, 28860), (481, 26760), (520, 24753), (555, 23192), (669, 19240), (740, 17394), (780, 16502), (888, 14495), (892, 14430), (962, 13380), (1110, 11596), (1115, 11544), (1338, 9620), (1443, 8920), (1480, 8697), (1560, 8251), (1784, 7215), (1924, 6690), (2220, 5798), (2230, 5772), (2405, 5352), (2676, 4810), (2886, 4460), (2899, 4440), (3345, 3848)]