280145320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{76963}}^1$

素因数の和:76994

約数の個数: 64

約数和(自身を含む): 775797120

約数和(自身を除く): 495651800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 76963, 153926, 307852, 384815, 538741, 615704, 769630, 1000519, 1077482, 1539260, 2001038, 2154964, 2693705, 3078520, 4002076, 4309928, 5002595, 5387410, 7003633, 8004152, 10005190, 10774820, 14007266, 20010380, 21549640, 28014532, 35018165, 40020760, 56029064, 70036330, 140072660, 280145320]

約数ペア:

[(1, 280145320), (2, 140072660), (4, 70036330), (5, 56029064), (7, 40020760), (8, 35018165), (10, 28014532), (13, 21549640), (14, 20010380), (20, 14007266), (26, 10774820), (28, 10005190), (35, 8004152), (40, 7003633), (52, 5387410), (56, 5002595), (65, 4309928), (70, 4002076), (91, 3078520), (104, 2693705), (130, 2154964), (140, 2001038), (182, 1539260), (260, 1077482), (280, 1000519), (364, 769630), (455, 615704), (520, 538741), (728, 384815), (910, 307852), (1820, 153926), (3640, 76963)]