13330720

素因数分解:

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

素因数の和:87

約数の個数: 144

約数和(自身を含む): 37353960

約数和(自身を除く): 24023240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 29, 32, 34, 40, 52, 58, 65, 68, 80, 85, 104, 116, 130, 136, 145, 160, 169, 170, 208, 221, 232, 260, 272, 290, 338, 340, 377, 416, 442, 464, 493, 520, 544, 580, 676, 680, 754, 845, 884, 928, 986, 1040, 1105, 1160, 1352, 1360, 1508, 1690, 1768, 1885, 1972, 2080, 2210, 2320, 2465, 2704, 2720, 2873, 3016, 3380, 3536, 3770, 3944, 4420, 4640, 4901, 4930, 5408, 5746, 6032, 6409, 6760, 7072, 7540, 7888, 8840, 9802, 9860, 11492, 12064, 12818, 13520, 14365, 15080, 15776, 17680, 19604, 19720, 22984, 24505, 25636, 27040, 28730, 30160, 32045, 35360, 39208, 39440, 45968, 49010, 51272, 57460, 60320, 64090, 78416, 78880, 83317, 91936, 98020, 102544, 114920, 128180, 156832, 166634, 196040, 205088, 229840, 256360, 333268, 392080, 416585, 459680, 512720, 666536, 784160, 833170, 1025440, 1333072, 1666340, 2666144, 3332680, 6665360, 13330720]

約数ペア:

[(1, 13330720), (2, 6665360), (4, 3332680), (5, 2666144), (8, 1666340), (10, 1333072), (13, 1025440), (16, 833170), (17, 784160), (20, 666536), (26, 512720), (29, 459680), (32, 416585), (34, 392080), (40, 333268), (52, 256360), (58, 229840), (65, 205088), (68, 196040), (80, 166634), (85, 156832), (104, 128180), (116, 114920), (130, 102544), (136, 98020), (145, 91936), (160, 83317), (169, 78880), (170, 78416), (208, 64090), (221, 60320), (232, 57460), (260, 51272), (272, 49010), (290, 45968), (338, 39440), (340, 39208), (377, 35360), (416, 32045), (442, 30160), (464, 28730), (493, 27040), (520, 25636), (544, 24505), (580, 22984), (676, 19720), (680, 19604), (754, 17680), (845, 15776), (884, 15080), (928, 14365), (986, 13520), (1040, 12818), (1105, 12064), (1160, 11492), (1352, 9860), (1360, 9802), (1508, 8840), (1690, 7888), (1768, 7540), (1885, 7072), (1972, 6760), (2080, 6409), (2210, 6032), (2320, 5746), (2465, 5408), (2704, 4930), (2720, 4901), (2873, 4640), (3016, 4420), (3380, 3944), (3536, 3770)]