51784720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:173

約数の個数: 160

約数和(自身を含む): 143428320

約数和(自身を除く): 91643600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 29, 34, 40, 52, 58, 65, 68, 80, 85, 101, 104, 116, 130, 136, 145, 170, 202, 208, 221, 232, 260, 272, 290, 340, 377, 404, 442, 464, 493, 505, 520, 580, 680, 754, 808, 884, 986, 1010, 1040, 1105, 1160, 1313, 1360, 1508, 1616, 1717, 1768, 1885, 1972, 2020, 2210, 2320, 2465, 2626, 2929, 3016, 3434, 3536, 3770, 3944, 4040, 4420, 4930, 5252, 5858, 6032, 6409, 6565, 6868, 7540, 7888, 8080, 8585, 8840, 9860, 10504, 11716, 12818, 13130, 13736, 14645, 15080, 17170, 17680, 19720, 21008, 22321, 23432, 25636, 26260, 27472, 29290, 30160, 32045, 34340, 38077, 39440, 44642, 46864, 49793, 51272, 52520, 58580, 64090, 68680, 76154, 89284, 99586, 102544, 105040, 111605, 117160, 128180, 137360, 152308, 178568, 190385, 199172, 223210, 234320, 248965, 256360, 304616, 357136, 380770, 398344, 446420, 497930, 512720, 609232, 647309, 761540, 796688, 892840, 995860, 1294618, 1523080, 1785680, 1991720, 2589236, 3046160, 3236545, 3983440, 5178472, 6473090, 10356944, 12946180, 25892360, 51784720]

約数ペア:

[(1, 51784720), (2, 25892360), (4, 12946180), (5, 10356944), (8, 6473090), (10, 5178472), (13, 3983440), (16, 3236545), (17, 3046160), (20, 2589236), (26, 1991720), (29, 1785680), (34, 1523080), (40, 1294618), (52, 995860), (58, 892840), (65, 796688), (68, 761540), (80, 647309), (85, 609232), (101, 512720), (104, 497930), (116, 446420), (130, 398344), (136, 380770), (145, 357136), (170, 304616), (202, 256360), (208, 248965), (221, 234320), (232, 223210), (260, 199172), (272, 190385), (290, 178568), (340, 152308), (377, 137360), (404, 128180), (442, 117160), (464, 111605), (493, 105040), (505, 102544), (520, 99586), (580, 89284), (680, 76154), (754, 68680), (808, 64090), (884, 58580), (986, 52520), (1010, 51272), (1040, 49793), (1105, 46864), (1160, 44642), (1313, 39440), (1360, 38077), (1508, 34340), (1616, 32045), (1717, 30160), (1768, 29290), (1885, 27472), (1972, 26260), (2020, 25636), (2210, 23432), (2320, 22321), (2465, 21008), (2626, 19720), (2929, 17680), (3016, 17170), (3434, 15080), (3536, 14645), (3770, 13736), (3944, 13130), (4040, 12818), (4420, 11716), (4930, 10504), (5252, 9860), (5858, 8840), (6032, 8585), (6409, 8080), (6565, 7888), (6868, 7540)]