420786560

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:344

約数の個数: 128

約数和(自身を含む): 1052835840

約数和(自身を除く): 632049280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 127, 128, 155, 160, 167, 248, 254, 310, 320, 334, 496, 508, 620, 635, 640, 668, 835, 992, 1016, 1240, 1270, 1336, 1670, 1984, 2032, 2480, 2540, 2672, 3340, 3937, 3968, 4064, 4960, 5080, 5177, 5344, 6680, 7874, 8128, 9920, 10160, 10354, 10688, 13360, 15748, 16256, 19685, 19840, 20320, 20708, 21209, 21376, 25885, 26720, 31496, 39370, 40640, 41416, 42418, 51770, 53440, 62992, 78740, 81280, 82832, 84836, 103540, 106045, 106880, 125984, 157480, 165664, 169672, 207080, 212090, 251968, 314960, 331328, 339344, 414160, 424180, 503936, 629920, 657479, 662656, 678688, 828320, 848360, 1259840, 1314958, 1357376, 1656640, 1696720, 2519680, 2629916, 2714752, 3287395, 3313280, 3393440, 5259832, 6574790, 6786880, 10519664, 13149580, 13573760, 21039328, 26299160, 42078656, 52598320, 84157312, 105196640, 210393280, 420786560]

約数ペア:

[(1, 420786560), (2, 210393280), (4, 105196640), (5, 84157312), (8, 52598320), (10, 42078656), (16, 26299160), (20, 21039328), (31, 13573760), (32, 13149580), (40, 10519664), (62, 6786880), (64, 6574790), (80, 5259832), (124, 3393440), (127, 3313280), (128, 3287395), (155, 2714752), (160, 2629916), (167, 2519680), (248, 1696720), (254, 1656640), (310, 1357376), (320, 1314958), (334, 1259840), (496, 848360), (508, 828320), (620, 678688), (635, 662656), (640, 657479), (668, 629920), (835, 503936), (992, 424180), (1016, 414160), (1240, 339344), (1270, 331328), (1336, 314960), (1670, 251968), (1984, 212090), (2032, 207080), (2480, 169672), (2540, 165664), (2672, 157480), (3340, 125984), (3937, 106880), (3968, 106045), (4064, 103540), (4960, 84836), (5080, 82832), (5177, 81280), (5344, 78740), (6680, 62992), (7874, 53440), (8128, 51770), (9920, 42418), (10160, 41416), (10354, 40640), (10688, 39370), (13360, 31496), (15748, 26720), (16256, 25885), (19685, 21376), (19840, 21209), (20320, 20708)]