28616640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2293}}^1$

素因数の和:2326

約数の個数: 112

約数和(自身を含む): 97889568

約数和(自身を除く): 69272928

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2293, 2496, 3120, 4160, 4586, 6240, 6879, 9172, 11465, 12480, 13758, 18344, 22930, 27516, 29809, 34395, 36688, 45860, 55032, 59618, 68790, 73376, 89427, 91720, 110064, 119236, 137580, 146752, 149045, 178854, 183440, 220128, 238472, 275160, 298090, 357708, 366880, 440256, 447135, 476944, 550320, 596180, 715416, 733760, 894270, 953888, 1100640, 1192360, 1430832, 1788540, 1907776, 2201280, 2384720, 2861664, 3577080, 4769440, 5723328, 7154160, 9538880, 14308320, 28616640]

約数ペア:

[(1, 28616640), (2, 14308320), (3, 9538880), (4, 7154160), (5, 5723328), (6, 4769440), (8, 3577080), (10, 2861664), (12, 2384720), (13, 2201280), (15, 1907776), (16, 1788540), (20, 1430832), (24, 1192360), (26, 1100640), (30, 953888), (32, 894270), (39, 733760), (40, 715416), (48, 596180), (52, 550320), (60, 476944), (64, 447135), (65, 440256), (78, 366880), (80, 357708), (96, 298090), (104, 275160), (120, 238472), (130, 220128), (156, 183440), (160, 178854), (192, 149045), (195, 146752), (208, 137580), (240, 119236), (260, 110064), (312, 91720), (320, 89427), (390, 73376), (416, 68790), (480, 59618), (520, 55032), (624, 45860), (780, 36688), (832, 34395), (960, 29809), (1040, 27516), (1248, 22930), (1560, 18344), (2080, 13758), (2293, 12480), (2496, 11465), (3120, 9172), (4160, 6879), (4586, 6240)]