15266680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 128

約数和(自身を含む): 43001280

約数和(自身を除く): 27734600

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 85, 88, 104, 110, 130, 136, 143, 157, 170, 187, 220, 221, 260, 286, 314, 340, 374, 440, 442, 520, 572, 628, 680, 715, 748, 785, 884, 935, 1105, 1144, 1256, 1430, 1496, 1570, 1727, 1768, 1870, 2041, 2210, 2431, 2669, 2860, 3140, 3454, 3740, 4082, 4420, 4862, 5338, 5720, 6280, 6908, 7480, 8164, 8635, 8840, 9724, 10205, 10676, 12155, 13345, 13816, 16328, 17270, 19448, 20410, 21352, 22451, 24310, 26690, 29359, 34540, 34697, 40820, 44902, 48620, 53380, 58718, 69080, 69394, 81640, 89804, 97240, 106760, 112255, 117436, 138788, 146795, 173485, 179608, 224510, 234872, 277576, 293590, 346970, 381667, 449020, 587180, 693940, 763334, 898040, 1174360, 1387880, 1526668, 1908335, 3053336, 3816670, 7633340, 15266680]

約数ペア:

[(1, 15266680), (2, 7633340), (4, 3816670), (5, 3053336), (8, 1908335), (10, 1526668), (11, 1387880), (13, 1174360), (17, 898040), (20, 763334), (22, 693940), (26, 587180), (34, 449020), (40, 381667), (44, 346970), (52, 293590), (55, 277576), (65, 234872), (68, 224510), (85, 179608), (88, 173485), (104, 146795), (110, 138788), (130, 117436), (136, 112255), (143, 106760), (157, 97240), (170, 89804), (187, 81640), (220, 69394), (221, 69080), (260, 58718), (286, 53380), (314, 48620), (340, 44902), (374, 40820), (440, 34697), (442, 34540), (520, 29359), (572, 26690), (628, 24310), (680, 22451), (715, 21352), (748, 20410), (785, 19448), (884, 17270), (935, 16328), (1105, 13816), (1144, 13345), (1256, 12155), (1430, 10676), (1496, 10205), (1570, 9724), (1727, 8840), (1768, 8635), (1870, 8164), (2041, 7480), (2210, 6908), (2431, 6280), (2669, 5720), (2860, 5338), (3140, 4862), (3454, 4420), (3740, 4082)]