72458880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2903}}^1$

素因数の和:2938

約数の個数: 128

約数和(自身を含む): 248814720

約数和(自身を除く): 176355840

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, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 2903, 3120, 4160, 4992, 5806, 6240, 8320, 8709, 11612, 12480, 14515, 17418, 23224, 24960, 29030, 34836, 37739, 43545, 46448, 58060, 69672, 75478, 87090, 92896, 113217, 116120, 139344, 150956, 174180, 185792, 188695, 226434, 232240, 278688, 301912, 348360, 371584, 377390, 452868, 464480, 557376, 566085, 603824, 696720, 754780, 905736, 928960, 1114752, 1132170, 1207648, 1393440, 1509560, 1811472, 1857920, 2264340, 2415296, 2786880, 3019120, 3622944, 4528680, 4830592, 5573760, 6038240, 7245888, 9057360, 12076480, 14491776, 18114720, 24152960, 36229440, 72458880]

約数ペア:

[(1, 72458880), (2, 36229440), (3, 24152960), (4, 18114720), (5, 14491776), (6, 12076480), (8, 9057360), (10, 7245888), (12, 6038240), (13, 5573760), (15, 4830592), (16, 4528680), (20, 3622944), (24, 3019120), (26, 2786880), (30, 2415296), (32, 2264340), (39, 1857920), (40, 1811472), (48, 1509560), (52, 1393440), (60, 1207648), (64, 1132170), (65, 1114752), (78, 928960), (80, 905736), (96, 754780), (104, 696720), (120, 603824), (128, 566085), (130, 557376), (156, 464480), (160, 452868), (192, 377390), (195, 371584), (208, 348360), (240, 301912), (260, 278688), (312, 232240), (320, 226434), (384, 188695), (390, 185792), (416, 174180), (480, 150956), (520, 139344), (624, 116120), (640, 113217), (780, 92896), (832, 87090), (960, 75478), (1040, 69672), (1248, 58060), (1560, 46448), (1664, 43545), (1920, 37739), (2080, 34836), (2496, 29030), (2903, 24960), (3120, 23224), (4160, 17418), (4992, 14515), (5806, 12480), (6240, 11612), (8320, 8709)]