1860522040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{547}}^1$

素因数の和:813

約数の個数: 128

約数和(自身を含む): 4684216320

約数和(自身を除く): 2823694280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 211, 248, 260, 310, 403, 422, 520, 547, 620, 806, 844, 1055, 1094, 1240, 1612, 1688, 2015, 2110, 2188, 2735, 2743, 3224, 4030, 4220, 4376, 5470, 5486, 6541, 7111, 8060, 8440, 10940, 10972, 13082, 13715, 14222, 16120, 16957, 21880, 21944, 26164, 27430, 28444, 32705, 33914, 35555, 52328, 54860, 56888, 65410, 67828, 71110, 84785, 85033, 109720, 115417, 130820, 135656, 142220, 169570, 170066, 220441, 230834, 261640, 284440, 339140, 340132, 425165, 440882, 461668, 577085, 678280, 680264, 850330, 881764, 923336, 1102205, 1154170, 1500421, 1700660, 1763528, 2204410, 2308340, 3000842, 3401320, 3577927, 4408820, 4616680, 6001684, 7155854, 7502105, 8817640, 12003368, 14311708, 15004210, 17889635, 28623416, 30008420, 35779270, 46513051, 60016840, 71558540, 93026102, 143117080, 186052204, 232565255, 372104408, 465130510, 930261020, 1860522040]

約数ペア:

[(1, 1860522040), (2, 930261020), (4, 465130510), (5, 372104408), (8, 232565255), (10, 186052204), (13, 143117080), (20, 93026102), (26, 71558540), (31, 60016840), (40, 46513051), (52, 35779270), (62, 30008420), (65, 28623416), (104, 17889635), (124, 15004210), (130, 14311708), (155, 12003368), (211, 8817640), (248, 7502105), (260, 7155854), (310, 6001684), (403, 4616680), (422, 4408820), (520, 3577927), (547, 3401320), (620, 3000842), (806, 2308340), (844, 2204410), (1055, 1763528), (1094, 1700660), (1240, 1500421), (1612, 1154170), (1688, 1102205), (2015, 923336), (2110, 881764), (2188, 850330), (2735, 680264), (2743, 678280), (3224, 577085), (4030, 461668), (4220, 440882), (4376, 425165), (5470, 340132), (5486, 339140), (6541, 284440), (7111, 261640), (8060, 230834), (8440, 220441), (10940, 170066), (10972, 169570), (13082, 142220), (13715, 135656), (14222, 130820), (16120, 115417), (16957, 109720), (21880, 85033), (21944, 84785), (26164, 71110), (27430, 67828), (28444, 65410), (32705, 56888), (33914, 54860), (35555, 52328)]