297768640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2309}}^1$

素因数の和:2370

約数の個数: 112

約数和(自身を含む): 788578560

約数和(自身を除く): 490809920

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2309, 2480, 3224, 4030, 4160, 4618, 4960, 6448, 8060, 9236, 9920, 11545, 12896, 16120, 18472, 23090, 25792, 30017, 32240, 36944, 46180, 60034, 64480, 71579, 73888, 92360, 120068, 128960, 143158, 147776, 150085, 184720, 240136, 286316, 300170, 357895, 369440, 480272, 572632, 600340, 715790, 738880, 930527, 960544, 1145264, 1200680, 1431580, 1861054, 1921088, 2290528, 2401360, 2863160, 3722108, 4581056, 4652635, 4802720, 5726320, 7444216, 9305270, 9605440, 11452640, 14888432, 18610540, 22905280, 29776864, 37221080, 59553728, 74442160, 148884320, 297768640]

約数ペア:

[(1, 297768640), (2, 148884320), (4, 74442160), (5, 59553728), (8, 37221080), (10, 29776864), (13, 22905280), (16, 18610540), (20, 14888432), (26, 11452640), (31, 9605440), (32, 9305270), (40, 7444216), (52, 5726320), (62, 4802720), (64, 4652635), (65, 4581056), (80, 3722108), (104, 2863160), (124, 2401360), (130, 2290528), (155, 1921088), (160, 1861054), (208, 1431580), (248, 1200680), (260, 1145264), (310, 960544), (320, 930527), (403, 738880), (416, 715790), (496, 600340), (520, 572632), (620, 480272), (806, 369440), (832, 357895), (992, 300170), (1040, 286316), (1240, 240136), (1612, 184720), (1984, 150085), (2015, 147776), (2080, 143158), (2309, 128960), (2480, 120068), (3224, 92360), (4030, 73888), (4160, 71579), (4618, 64480), (4960, 60034), (6448, 46180), (8060, 36944), (9236, 32240), (9920, 30017), (11545, 25792), (12896, 23090), (16120, 18472)]