1321301040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{289759}}^1$

素因数の和:289794

約数の個数: 80

約数和(自身を含む): 4311628800

約数和(自身を除く): 2990327760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 289759, 579518, 869277, 1159036, 1448795, 1738554, 2318072, 2897590, 3477108, 4346385, 4636144, 5505421, 5795180, 6954216, 8692770, 11010842, 11590360, 13908432, 16516263, 17385540, 22021684, 23180720, 27527105, 33032526, 34771080, 44043368, 55054210, 66065052, 69542160, 82581315, 88086736, 110108420, 132130104, 165162630, 220216840, 264260208, 330325260, 440433680, 660650520, 1321301040]

約数ペア:

[(1, 1321301040), (2, 660650520), (3, 440433680), (4, 330325260), (5, 264260208), (6, 220216840), (8, 165162630), (10, 132130104), (12, 110108420), (15, 88086736), (16, 82581315), (19, 69542160), (20, 66065052), (24, 55054210), (30, 44043368), (38, 34771080), (40, 33032526), (48, 27527105), (57, 23180720), (60, 22021684), (76, 17385540), (80, 16516263), (95, 13908432), (114, 11590360), (120, 11010842), (152, 8692770), (190, 6954216), (228, 5795180), (240, 5505421), (285, 4636144), (304, 4346385), (380, 3477108), (456, 2897590), (570, 2318072), (760, 1738554), (912, 1448795), (1140, 1159036), (1520, 869277), (2280, 579518), (4560, 289759)]