312542960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2909}}^1$

素因数の和:3018

約数の個数: 80

約数和(自身を含む): 779414400

約数和(自身を除く): 466871440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 79, 80, 85, 136, 158, 170, 272, 316, 340, 395, 632, 680, 790, 1264, 1343, 1360, 1580, 2686, 2909, 3160, 5372, 5818, 6320, 6715, 10744, 11636, 13430, 14545, 21488, 23272, 26860, 29090, 46544, 49453, 53720, 58180, 98906, 107440, 116360, 197812, 229811, 232720, 247265, 395624, 459622, 494530, 791248, 919244, 989060, 1149055, 1838488, 1978120, 2298110, 3676976, 3906787, 3956240, 4596220, 7813574, 9192440, 15627148, 18384880, 19533935, 31254296, 39067870, 62508592, 78135740, 156271480, 312542960]

約数ペア:

[(1, 312542960), (2, 156271480), (4, 78135740), (5, 62508592), (8, 39067870), (10, 31254296), (16, 19533935), (17, 18384880), (20, 15627148), (34, 9192440), (40, 7813574), (68, 4596220), (79, 3956240), (80, 3906787), (85, 3676976), (136, 2298110), (158, 1978120), (170, 1838488), (272, 1149055), (316, 989060), (340, 919244), (395, 791248), (632, 494530), (680, 459622), (790, 395624), (1264, 247265), (1343, 232720), (1360, 229811), (1580, 197812), (2686, 116360), (2909, 107440), (3160, 98906), (5372, 58180), (5818, 53720), (6320, 49453), (6715, 46544), (10744, 29090), (11636, 26860), (13430, 23272), (14545, 21488)]