73161920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:482

約数の個数: 112

約数和(自身を含む): 192450720

約数和(自身を除く): 119288800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 130, 160, 172, 208, 215, 260, 320, 344, 409, 416, 430, 520, 559, 688, 818, 832, 860, 1040, 1118, 1376, 1636, 1720, 2045, 2080, 2236, 2752, 2795, 3272, 3440, 4090, 4160, 4472, 5317, 5590, 6544, 6880, 8180, 8944, 10634, 11180, 13088, 13760, 16360, 17587, 17888, 21268, 22360, 26176, 26585, 32720, 35174, 35776, 42536, 44720, 53170, 65440, 70348, 85072, 87935, 89440, 106340, 130880, 140696, 170144, 175870, 178880, 212680, 228631, 281392, 340288, 351740, 425360, 457262, 562784, 703480, 850720, 914524, 1125568, 1143155, 1406960, 1701440, 1829048, 2286310, 2813920, 3658096, 4572620, 5627840, 7316192, 9145240, 14632384, 18290480, 36580960, 73161920]

約数ペア:

[(1, 73161920), (2, 36580960), (4, 18290480), (5, 14632384), (8, 9145240), (10, 7316192), (13, 5627840), (16, 4572620), (20, 3658096), (26, 2813920), (32, 2286310), (40, 1829048), (43, 1701440), (52, 1406960), (64, 1143155), (65, 1125568), (80, 914524), (86, 850720), (104, 703480), (130, 562784), (160, 457262), (172, 425360), (208, 351740), (215, 340288), (260, 281392), (320, 228631), (344, 212680), (409, 178880), (416, 175870), (430, 170144), (520, 140696), (559, 130880), (688, 106340), (818, 89440), (832, 87935), (860, 85072), (1040, 70348), (1118, 65440), (1376, 53170), (1636, 44720), (1720, 42536), (2045, 35776), (2080, 35174), (2236, 32720), (2752, 26585), (2795, 26176), (3272, 22360), (3440, 21268), (4090, 17888), (4160, 17587), (4472, 16360), (5317, 13760), (5590, 13088), (6544, 11180), (6880, 10634), (8180, 8944)]