205316760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1427}}^1$

素因数の和:1561

約数の個数: 128

約数和(自身を含む): 678585600

約数和(自身を除く): 473268840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 109, 110, 120, 132, 165, 218, 220, 264, 327, 330, 436, 440, 545, 654, 660, 872, 1090, 1199, 1308, 1320, 1427, 1635, 2180, 2398, 2616, 2854, 3270, 3597, 4281, 4360, 4796, 5708, 5995, 6540, 7135, 7194, 8562, 9592, 11416, 11990, 13080, 14270, 14388, 15697, 17124, 17985, 21405, 23980, 28540, 28776, 31394, 34248, 35970, 42810, 47091, 47960, 57080, 62788, 71940, 78485, 85620, 94182, 125576, 143880, 155543, 156970, 171240, 188364, 235455, 311086, 313940, 376728, 466629, 470910, 622172, 627880, 777715, 933258, 941820, 1244344, 1555430, 1710973, 1866516, 1883640, 2333145, 3110860, 3421946, 3733032, 4666290, 5132919, 6221720, 6843892, 8554865, 9332580, 10265838, 13687784, 17109730, 18665160, 20531676, 25664595, 34219460, 41063352, 51329190, 68438920, 102658380, 205316760]

約数ペア:

[(1, 205316760), (2, 102658380), (3, 68438920), (4, 51329190), (5, 41063352), (6, 34219460), (8, 25664595), (10, 20531676), (11, 18665160), (12, 17109730), (15, 13687784), (20, 10265838), (22, 9332580), (24, 8554865), (30, 6843892), (33, 6221720), (40, 5132919), (44, 4666290), (55, 3733032), (60, 3421946), (66, 3110860), (88, 2333145), (109, 1883640), (110, 1866516), (120, 1710973), (132, 1555430), (165, 1244344), (218, 941820), (220, 933258), (264, 777715), (327, 627880), (330, 622172), (436, 470910), (440, 466629), (545, 376728), (654, 313940), (660, 311086), (872, 235455), (1090, 188364), (1199, 171240), (1308, 156970), (1320, 155543), (1427, 143880), (1635, 125576), (2180, 94182), (2398, 85620), (2616, 78485), (2854, 71940), (3270, 62788), (3597, 57080), (4281, 47960), (4360, 47091), (4796, 42810), (5708, 35970), (5995, 34248), (6540, 31394), (7135, 28776), (7194, 28540), (8562, 23980), (9592, 21405), (11416, 17985), (11990, 17124), (13080, 15697), (14270, 14388)]