207347840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1493}}^1$

素因数の和:1550

約数の個数: 128

約数和(自身を含む): 585169920

約数和(自身を除く): 377822080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1493, 1736, 1984, 2170, 2240, 2480, 2986, 3472, 3968, 4340, 4480, 4960, 5972, 6944, 7465, 8680, 9920, 10451, 11944, 13888, 14930, 17360, 19840, 20902, 23888, 27776, 29860, 34720, 41804, 46283, 47776, 52255, 59720, 69440, 83608, 92566, 95552, 104510, 119440, 138880, 167216, 185132, 191104, 209020, 231415, 238880, 323981, 334432, 370264, 418040, 462830, 477760, 647962, 668864, 740528, 836080, 925660, 955520, 1295924, 1337728, 1481056, 1619905, 1672160, 1851320, 2591848, 2962112, 3239810, 3344320, 3702640, 5183696, 5924224, 6479620, 6688640, 7405280, 10367392, 12959240, 14810560, 20734784, 25918480, 29621120, 41469568, 51836960, 103673920, 207347840]

約数ペア:

[(1, 207347840), (2, 103673920), (4, 51836960), (5, 41469568), (7, 29621120), (8, 25918480), (10, 20734784), (14, 14810560), (16, 12959240), (20, 10367392), (28, 7405280), (31, 6688640), (32, 6479620), (35, 5924224), (40, 5183696), (56, 3702640), (62, 3344320), (64, 3239810), (70, 2962112), (80, 2591848), (112, 1851320), (124, 1672160), (128, 1619905), (140, 1481056), (155, 1337728), (160, 1295924), (217, 955520), (224, 925660), (248, 836080), (280, 740528), (310, 668864), (320, 647962), (434, 477760), (448, 462830), (496, 418040), (560, 370264), (620, 334432), (640, 323981), (868, 238880), (896, 231415), (992, 209020), (1085, 191104), (1120, 185132), (1240, 167216), (1493, 138880), (1736, 119440), (1984, 104510), (2170, 95552), (2240, 92566), (2480, 83608), (2986, 69440), (3472, 59720), (3968, 52255), (4340, 47776), (4480, 46283), (4960, 41804), (5972, 34720), (6944, 29860), (7465, 27776), (8680, 23888), (9920, 20902), (10451, 19840), (11944, 17360), (13888, 14930)]