168503440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{179}}^1$

素因数の和:281

約数の個数: 120

約数和(自身を含む): 461488320

約数和(自身を除く): 292984880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 179, 205, 280, 287, 328, 358, 410, 560, 574, 656, 716, 820, 895, 1148, 1253, 1432, 1435, 1640, 1681, 1790, 2296, 2506, 2864, 2870, 3280, 3362, 3580, 4592, 5012, 5740, 6265, 6724, 7160, 7339, 8405, 10024, 11480, 11767, 12530, 13448, 14320, 14678, 16810, 20048, 22960, 23534, 25060, 26896, 29356, 33620, 36695, 47068, 50120, 51373, 58712, 58835, 67240, 73390, 94136, 100240, 102746, 117424, 117670, 134480, 146780, 188272, 205492, 235340, 256865, 293560, 300899, 410984, 470680, 513730, 587120, 601798, 821968, 941360, 1027460, 1203596, 1504495, 2054920, 2106293, 2407192, 3008990, 4109840, 4212586, 4814384, 6017980, 8425172, 10531465, 12035960, 16850344, 21062930, 24071920, 33700688, 42125860, 84251720, 168503440]

約数ペア:

[(1, 168503440), (2, 84251720), (4, 42125860), (5, 33700688), (7, 24071920), (8, 21062930), (10, 16850344), (14, 12035960), (16, 10531465), (20, 8425172), (28, 6017980), (35, 4814384), (40, 4212586), (41, 4109840), (56, 3008990), (70, 2407192), (80, 2106293), (82, 2054920), (112, 1504495), (140, 1203596), (164, 1027460), (179, 941360), (205, 821968), (280, 601798), (287, 587120), (328, 513730), (358, 470680), (410, 410984), (560, 300899), (574, 293560), (656, 256865), (716, 235340), (820, 205492), (895, 188272), (1148, 146780), (1253, 134480), (1432, 117670), (1435, 117424), (1640, 102746), (1681, 100240), (1790, 94136), (2296, 73390), (2506, 67240), (2864, 58835), (2870, 58712), (3280, 51373), (3362, 50120), (3580, 47068), (4592, 36695), (5012, 33620), (5740, 29356), (6265, 26896), (6724, 25060), (7160, 23534), (7339, 22960), (8405, 20048), (10024, 16810), (11480, 14678), (11767, 14320), (12530, 13448)]