68640960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{563}}^1$

素因数の和:710

約数の個数: 112

約数和(自身を含む): 220041216

約数和(自身を除く): 151400256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 160, 192, 240, 254, 320, 381, 480, 508, 563, 635, 762, 960, 1016, 1126, 1270, 1524, 1689, 1905, 2032, 2252, 2540, 2815, 3048, 3378, 3810, 4064, 4504, 5080, 5630, 6096, 6756, 7620, 8128, 8445, 9008, 10160, 11260, 12192, 13512, 15240, 16890, 18016, 20320, 22520, 24384, 27024, 30480, 33780, 36032, 40640, 45040, 54048, 60960, 67560, 71501, 90080, 108096, 121920, 135120, 143002, 180160, 214503, 270240, 286004, 357505, 429006, 540480, 572008, 715010, 858012, 1072515, 1144016, 1430020, 1716024, 2145030, 2288032, 2860040, 3432048, 4290060, 4576064, 5720080, 6864096, 8580120, 11440160, 13728192, 17160240, 22880320, 34320480, 68640960]

約数ペア:

[(1, 68640960), (2, 34320480), (3, 22880320), (4, 17160240), (5, 13728192), (6, 11440160), (8, 8580120), (10, 6864096), (12, 5720080), (15, 4576064), (16, 4290060), (20, 3432048), (24, 2860040), (30, 2288032), (32, 2145030), (40, 1716024), (48, 1430020), (60, 1144016), (64, 1072515), (80, 858012), (96, 715010), (120, 572008), (127, 540480), (160, 429006), (192, 357505), (240, 286004), (254, 270240), (320, 214503), (381, 180160), (480, 143002), (508, 135120), (563, 121920), (635, 108096), (762, 90080), (960, 71501), (1016, 67560), (1126, 60960), (1270, 54048), (1524, 45040), (1689, 40640), (1905, 36032), (2032, 33780), (2252, 30480), (2540, 27024), (2815, 24384), (3048, 22520), (3378, 20320), (3810, 18016), (4064, 16890), (4504, 15240), (5080, 13512), (5630, 12192), (6096, 11260), (6756, 10160), (7620, 9008), (8128, 8445)]