25321620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 75479040

約数和(自身を除く): 50157420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 59, 60, 69, 92, 115, 118, 138, 177, 230, 236, 276, 295, 311, 345, 354, 460, 590, 622, 690, 708, 885, 933, 1180, 1244, 1357, 1380, 1555, 1770, 1866, 2714, 3110, 3540, 3732, 4071, 4665, 5428, 6220, 6785, 7153, 8142, 9330, 13570, 14306, 16284, 18349, 18660, 20355, 21459, 27140, 28612, 35765, 36698, 40710, 42918, 55047, 71530, 73396, 81420, 85836, 91745, 107295, 110094, 143060, 183490, 214590, 220188, 275235, 366980, 422027, 429180, 550470, 844054, 1100940, 1266081, 1688108, 2110135, 2532162, 4220270, 5064324, 6330405, 8440540, 12660810, 25321620]

約数ペア:

[(1, 25321620), (2, 12660810), (3, 8440540), (4, 6330405), (5, 5064324), (6, 4220270), (10, 2532162), (12, 2110135), (15, 1688108), (20, 1266081), (23, 1100940), (30, 844054), (46, 550470), (59, 429180), (60, 422027), (69, 366980), (92, 275235), (115, 220188), (118, 214590), (138, 183490), (177, 143060), (230, 110094), (236, 107295), (276, 91745), (295, 85836), (311, 81420), (345, 73396), (354, 71530), (460, 55047), (590, 42918), (622, 40710), (690, 36698), (708, 35765), (885, 28612), (933, 27140), (1180, 21459), (1244, 20355), (1357, 18660), (1380, 18349), (1555, 16284), (1770, 14306), (1866, 13570), (2714, 9330), (3110, 8142), (3540, 7153), (3732, 6785), (4071, 6220), (4665, 5428)]