1915044040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{7207}}^1$

素因数の和:7311

約数の個数: 128

約数和(自身を含む): 5376591360

約数和(自身を除く): 3461547320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 91, 104, 130, 140, 146, 182, 260, 280, 292, 364, 365, 455, 511, 520, 584, 728, 730, 910, 949, 1022, 1460, 1820, 1898, 2044, 2555, 2920, 3640, 3796, 4088, 4745, 5110, 6643, 7207, 7592, 9490, 10220, 13286, 14414, 18980, 20440, 26572, 28828, 33215, 36035, 37960, 50449, 53144, 57656, 66430, 72070, 93691, 100898, 132860, 144140, 187382, 201796, 252245, 265720, 288280, 374764, 403592, 468455, 504490, 526111, 655837, 749528, 936910, 1008980, 1052222, 1311674, 1873820, 2017960, 2104444, 2623348, 2630555, 3279185, 3682777, 3747640, 4208888, 5246696, 5261110, 6558370, 6839443, 7365554, 10522220, 13116740, 13678886, 14731108, 18413885, 21044440, 26233480, 27357772, 29462216, 34197215, 36827770, 47876101, 54715544, 68394430, 73655540, 95752202, 136788860, 147311080, 191504404, 239380505, 273577720, 383008808, 478761010, 957522020, 1915044040]

約数ペア:

[(1, 1915044040), (2, 957522020), (4, 478761010), (5, 383008808), (7, 273577720), (8, 239380505), (10, 191504404), (13, 147311080), (14, 136788860), (20, 95752202), (26, 73655540), (28, 68394430), (35, 54715544), (40, 47876101), (52, 36827770), (56, 34197215), (65, 29462216), (70, 27357772), (73, 26233480), (91, 21044440), (104, 18413885), (130, 14731108), (140, 13678886), (146, 13116740), (182, 10522220), (260, 7365554), (280, 6839443), (292, 6558370), (364, 5261110), (365, 5246696), (455, 4208888), (511, 3747640), (520, 3682777), (584, 3279185), (728, 2630555), (730, 2623348), (910, 2104444), (949, 2017960), (1022, 1873820), (1460, 1311674), (1820, 1052222), (1898, 1008980), (2044, 936910), (2555, 749528), (2920, 655837), (3640, 526111), (3796, 504490), (4088, 468455), (4745, 403592), (5110, 374764), (6643, 288280), (7207, 265720), (7592, 252245), (9490, 201796), (10220, 187382), (13286, 144140), (14414, 132860), (18980, 100898), (20440, 93691), (26572, 72070), (28828, 66430), (33215, 57656), (36035, 53144), (37960, 50449)]