56639240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 157282560

約数和(自身を除く): 100643320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 73, 85, 119, 136, 140, 146, 163, 170, 238, 280, 292, 326, 340, 365, 476, 511, 584, 595, 652, 680, 730, 815, 952, 1022, 1141, 1190, 1241, 1304, 1460, 1630, 2044, 2282, 2380, 2482, 2555, 2771, 2920, 3260, 4088, 4564, 4760, 4964, 5110, 5542, 5705, 6205, 6520, 8687, 9128, 9928, 10220, 11084, 11410, 11899, 12410, 13855, 17374, 19397, 20440, 22168, 22820, 23798, 24820, 27710, 34748, 38794, 43435, 45640, 47596, 49640, 55420, 59495, 69496, 77588, 83293, 86870, 95192, 96985, 110840, 118990, 155176, 166586, 173740, 193970, 202283, 237980, 333172, 347480, 387940, 404566, 416465, 475960, 666344, 775880, 809132, 832930, 1011415, 1415981, 1618264, 1665860, 2022830, 2831962, 3331720, 4045660, 5663924, 7079905, 8091320, 11327848, 14159810, 28319620, 56639240]

約数ペア:

[(1, 56639240), (2, 28319620), (4, 14159810), (5, 11327848), (7, 8091320), (8, 7079905), (10, 5663924), (14, 4045660), (17, 3331720), (20, 2831962), (28, 2022830), (34, 1665860), (35, 1618264), (40, 1415981), (56, 1011415), (68, 832930), (70, 809132), (73, 775880), (85, 666344), (119, 475960), (136, 416465), (140, 404566), (146, 387940), (163, 347480), (170, 333172), (238, 237980), (280, 202283), (292, 193970), (326, 173740), (340, 166586), (365, 155176), (476, 118990), (511, 110840), (584, 96985), (595, 95192), (652, 86870), (680, 83293), (730, 77588), (815, 69496), (952, 59495), (1022, 55420), (1141, 49640), (1190, 47596), (1241, 45640), (1304, 43435), (1460, 38794), (1630, 34748), (2044, 27710), (2282, 24820), (2380, 23798), (2482, 22820), (2555, 22168), (2771, 20440), (2920, 19397), (3260, 17374), (4088, 13855), (4564, 12410), (4760, 11899), (4964, 11410), (5110, 11084), (5542, 10220), (5705, 9928), (6205, 9128), (6520, 8687)]