19187760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2579}}^1$

素因数の和:2626

約数の個数: 80

約数和(自身を含む): 61424640

約数和(自身を除く): 42236880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 2579, 3720, 5158, 7440, 7737, 10316, 12895, 15474, 20632, 25790, 30948, 38685, 41264, 51580, 61896, 77370, 79949, 103160, 123792, 154740, 159898, 206320, 239847, 309480, 319796, 399745, 479694, 618960, 639592, 799490, 959388, 1199235, 1279184, 1598980, 1918776, 2398470, 3197960, 3837552, 4796940, 6395920, 9593880, 19187760]

約数ペア:

[(1, 19187760), (2, 9593880), (3, 6395920), (4, 4796940), (5, 3837552), (6, 3197960), (8, 2398470), (10, 1918776), (12, 1598980), (15, 1279184), (16, 1199235), (20, 959388), (24, 799490), (30, 639592), (31, 618960), (40, 479694), (48, 399745), (60, 319796), (62, 309480), (80, 239847), (93, 206320), (120, 159898), (124, 154740), (155, 123792), (186, 103160), (240, 79949), (248, 77370), (310, 61896), (372, 51580), (465, 41264), (496, 38685), (620, 30948), (744, 25790), (930, 20632), (1240, 15474), (1488, 12895), (1860, 10316), (2480, 7737), (2579, 7440), (3720, 5158)]