72704640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1993}}^1$

素因数の和:2034

約数の個数: 128

約数和(自身を含む): 244065600

約数和(自身を除く): 171360960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 760, 912, 960, 1140, 1216, 1520, 1824, 1920, 1993, 2280, 2432, 3040, 3648, 3986, 4560, 5979, 6080, 7296, 7972, 9120, 9965, 11958, 12160, 15944, 18240, 19930, 23916, 29895, 31888, 36480, 37867, 39860, 47832, 59790, 63776, 75734, 79720, 95664, 113601, 119580, 127552, 151468, 159440, 189335, 191328, 227202, 239160, 255104, 302936, 318880, 378670, 382656, 454404, 478320, 568005, 605872, 637760, 757340, 765312, 908808, 956640, 1136010, 1211744, 1275520, 1514680, 1817616, 1913280, 2272020, 2423488, 3029360, 3635232, 3826560, 4544040, 4846976, 6058720, 7270464, 9088080, 12117440, 14540928, 18176160, 24234880, 36352320, 72704640]

約数ペア:

[(1, 72704640), (2, 36352320), (3, 24234880), (4, 18176160), (5, 14540928), (6, 12117440), (8, 9088080), (10, 7270464), (12, 6058720), (15, 4846976), (16, 4544040), (19, 3826560), (20, 3635232), (24, 3029360), (30, 2423488), (32, 2272020), (38, 1913280), (40, 1817616), (48, 1514680), (57, 1275520), (60, 1211744), (64, 1136010), (76, 956640), (80, 908808), (95, 765312), (96, 757340), (114, 637760), (120, 605872), (128, 568005), (152, 478320), (160, 454404), (190, 382656), (192, 378670), (228, 318880), (240, 302936), (285, 255104), (304, 239160), (320, 227202), (380, 191328), (384, 189335), (456, 159440), (480, 151468), (570, 127552), (608, 119580), (640, 113601), (760, 95664), (912, 79720), (960, 75734), (1140, 63776), (1216, 59790), (1520, 47832), (1824, 39860), (1920, 37867), (1993, 36480), (2280, 31888), (2432, 29895), (3040, 23916), (3648, 19930), (3986, 18240), (4560, 15944), (5979, 12160), (6080, 11958), (7296, 9965), (7972, 9120)]