161354270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:354

約数の個数: 128

約数和(自身を含む): 391910400

約数和(自身を除く): 230556130

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 41, 55, 70, 77, 82, 95, 110, 133, 154, 190, 205, 209, 266, 269, 287, 385, 410, 418, 451, 538, 574, 665, 770, 779, 902, 1045, 1330, 1345, 1435, 1463, 1558, 1883, 2090, 2255, 2690, 2870, 2926, 2959, 3157, 3766, 3895, 4510, 5111, 5453, 5918, 6314, 7315, 7790, 8569, 9415, 10222, 10906, 11029, 14630, 14795, 15785, 17138, 18830, 20713, 22058, 25555, 27265, 29590, 31570, 35777, 41426, 42845, 51110, 54530, 55145, 56221, 59983, 71554, 77203, 85690, 103565, 110290, 112442, 119966, 121319, 154406, 178885, 207130, 209551, 242638, 281105, 299915, 357770, 386015, 393547, 419102, 562210, 599830, 606595, 772030, 787094, 849233, 1047755, 1213190, 1466857, 1698466, 1967735, 2095510, 2305061, 2933714, 3935470, 4246165, 4610122, 7334285, 8492330, 11525305, 14668570, 16135427, 23050610, 32270854, 80677135, 161354270]

約数ペア:

[(1, 161354270), (2, 80677135), (5, 32270854), (7, 23050610), (10, 16135427), (11, 14668570), (14, 11525305), (19, 8492330), (22, 7334285), (35, 4610122), (38, 4246165), (41, 3935470), (55, 2933714), (70, 2305061), (77, 2095510), (82, 1967735), (95, 1698466), (110, 1466857), (133, 1213190), (154, 1047755), (190, 849233), (205, 787094), (209, 772030), (266, 606595), (269, 599830), (287, 562210), (385, 419102), (410, 393547), (418, 386015), (451, 357770), (538, 299915), (574, 281105), (665, 242638), (770, 209551), (779, 207130), (902, 178885), (1045, 154406), (1330, 121319), (1345, 119966), (1435, 112442), (1463, 110290), (1558, 103565), (1883, 85690), (2090, 77203), (2255, 71554), (2690, 59983), (2870, 56221), (2926, 55145), (2959, 54530), (3157, 51110), (3766, 42845), (3895, 41426), (4510, 35777), (5111, 31570), (5453, 29590), (5918, 27265), (6314, 25555), (7315, 22058), (7790, 20713), (8569, 18830), (9415, 17138), (10222, 15785), (10906, 14795), (11029, 14630)]