155548540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 406328832

約数和(自身を除く): 250780292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 67, 70, 92, 98, 103, 115, 134, 140, 161, 196, 206, 230, 245, 268, 322, 335, 412, 460, 469, 490, 515, 644, 670, 721, 805, 938, 980, 1030, 1127, 1340, 1442, 1541, 1610, 1876, 2060, 2254, 2345, 2369, 2884, 3082, 3220, 3283, 3605, 4508, 4690, 4738, 5047, 5635, 6164, 6566, 6901, 7210, 7705, 9380, 9476, 10094, 10787, 11270, 11845, 13132, 13802, 14420, 15410, 16415, 16583, 20188, 21574, 22540, 23690, 25235, 27604, 30820, 32830, 33166, 34505, 43148, 47380, 48307, 50470, 53935, 65660, 66332, 69010, 75509, 82915, 96614, 100940, 107870, 116081, 138020, 151018, 158723, 165830, 193228, 215740, 232162, 241535, 302036, 317446, 331660, 338149, 377545, 464324, 483070, 580405, 634892, 676298, 755090, 793615, 966140, 1111061, 1160810, 1352596, 1510180, 1587230, 1690745, 2222122, 2321620, 3174460, 3381490, 4444244, 5555305, 6762980, 7777427, 11110610, 15554854, 22221220, 31109708, 38887135, 77774270, 155548540]

約数ペア:

[(1, 155548540), (2, 77774270), (4, 38887135), (5, 31109708), (7, 22221220), (10, 15554854), (14, 11110610), (20, 7777427), (23, 6762980), (28, 5555305), (35, 4444244), (46, 3381490), (49, 3174460), (67, 2321620), (70, 2222122), (92, 1690745), (98, 1587230), (103, 1510180), (115, 1352596), (134, 1160810), (140, 1111061), (161, 966140), (196, 793615), (206, 755090), (230, 676298), (245, 634892), (268, 580405), (322, 483070), (335, 464324), (412, 377545), (460, 338149), (469, 331660), (490, 317446), (515, 302036), (644, 241535), (670, 232162), (721, 215740), (805, 193228), (938, 165830), (980, 158723), (1030, 151018), (1127, 138020), (1340, 116081), (1442, 107870), (1541, 100940), (1610, 96614), (1876, 82915), (2060, 75509), (2254, 69010), (2345, 66332), (2369, 65660), (2884, 53935), (3082, 50470), (3220, 48307), (3283, 47380), (3605, 43148), (4508, 34505), (4690, 33166), (4738, 32830), (5047, 30820), (5635, 27604), (6164, 25235), (6566, 23690), (6901, 22540), (7210, 21574), (7705, 20188), (9380, 16583), (9476, 16415), (10094, 15410), (10787, 14420), (11270, 13802), (11845, 13132)]