80648820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{64007}}^1$

素因数の和:64029

約数の個数: 72

約数和(自身を含む): 279586944

約数和(自身を除く): 198938124

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 64007, 128014, 192021, 256028, 320035, 384042, 448049, 576063, 640070, 768084, 896098, 960105, 1152126, 1280140, 1344147, 1792196, 1920210, 2240245, 2304252, 2688294, 2880315, 3840420, 4032441, 4480490, 5376588, 5760630, 6720735, 8064882, 8960980, 11521260, 13441470, 16129764, 20162205, 26882940, 40324410, 80648820]

約数ペア:

[(1, 80648820), (2, 40324410), (3, 26882940), (4, 20162205), (5, 16129764), (6, 13441470), (7, 11521260), (9, 8960980), (10, 8064882), (12, 6720735), (14, 5760630), (15, 5376588), (18, 4480490), (20, 4032441), (21, 3840420), (28, 2880315), (30, 2688294), (35, 2304252), (36, 2240245), (42, 1920210), (45, 1792196), (60, 1344147), (63, 1280140), (70, 1152126), (84, 960105), (90, 896098), (105, 768084), (126, 640070), (140, 576063), (180, 448049), (210, 384042), (252, 320035), (315, 256028), (420, 192021), (630, 128014), (1260, 64007)]