80642408

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 128

約数和(自身を含む): 201277440

約数和(自身を除く): 120635032

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 41, 44, 56, 62, 77, 82, 88, 103, 124, 154, 164, 206, 217, 248, 287, 308, 328, 341, 412, 434, 451, 574, 616, 682, 721, 824, 868, 902, 1133, 1148, 1271, 1364, 1442, 1736, 1804, 2266, 2296, 2387, 2542, 2728, 2884, 3157, 3193, 3608, 4223, 4532, 4774, 5084, 5768, 6314, 6386, 7931, 8446, 8897, 9064, 9548, 10168, 12628, 12772, 13981, 15862, 16892, 17794, 19096, 22351, 25256, 25544, 27962, 29561, 31724, 33784, 35123, 35588, 44702, 46453, 55924, 59122, 63448, 70246, 71176, 89404, 92906, 97867, 111848, 118244, 130913, 140492, 178808, 185812, 195734, 236488, 245861, 261826, 280984, 325171, 371624, 391468, 491722, 523652, 650342, 782936, 916391, 983444, 1047304, 1300684, 1440043, 1832782, 1966888, 2601368, 2880086, 3665564, 5760172, 7331128, 10080301, 11520344, 20160602, 40321204, 80642408]

約数ペア:

[(1, 80642408), (2, 40321204), (4, 20160602), (7, 11520344), (8, 10080301), (11, 7331128), (14, 5760172), (22, 3665564), (28, 2880086), (31, 2601368), (41, 1966888), (44, 1832782), (56, 1440043), (62, 1300684), (77, 1047304), (82, 983444), (88, 916391), (103, 782936), (124, 650342), (154, 523652), (164, 491722), (206, 391468), (217, 371624), (248, 325171), (287, 280984), (308, 261826), (328, 245861), (341, 236488), (412, 195734), (434, 185812), (451, 178808), (574, 140492), (616, 130913), (682, 118244), (721, 111848), (824, 97867), (868, 92906), (902, 89404), (1133, 71176), (1148, 70246), (1271, 63448), (1364, 59122), (1442, 55924), (1736, 46453), (1804, 44702), (2266, 35588), (2296, 35123), (2387, 33784), (2542, 31724), (2728, 29561), (2884, 27962), (3157, 25544), (3193, 25256), (3608, 22351), (4223, 19096), (4532, 17794), (4774, 16892), (5084, 15862), (5768, 13981), (6314, 12772), (6386, 12628), (7931, 10168), (8446, 9548), (8897, 9064)]