1441880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 3693600

約数和(自身を除く): 2251720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 113, 116, 145, 220, 226, 232, 290, 319, 440, 452, 565, 580, 638, 904, 1130, 1160, 1243, 1276, 1595, 2260, 2486, 2552, 3190, 3277, 4520, 4972, 6215, 6380, 6554, 9944, 12430, 12760, 13108, 16385, 24860, 26216, 32770, 36047, 49720, 65540, 72094, 131080, 144188, 180235, 288376, 360470, 720940, 1441880]

約数ペア:

[(1, 1441880), (2, 720940), (4, 360470), (5, 288376), (8, 180235), (10, 144188), (11, 131080), (20, 72094), (22, 65540), (29, 49720), (40, 36047), (44, 32770), (55, 26216), (58, 24860), (88, 16385), (110, 13108), (113, 12760), (116, 12430), (145, 9944), (220, 6554), (226, 6380), (232, 6215), (290, 4972), (319, 4520), (440, 3277), (452, 3190), (565, 2552), (580, 2486), (638, 2260), (904, 1595), (1130, 1276), (1160, 1243)]