77403780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{883}}^1$

素因数の和:1385

約数の個数: 72

約数和(自身を含む): 235540032

約数和(自身を除く): 158136252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 487, 883, 974, 1461, 1766, 1948, 2435, 2649, 2922, 3532, 4383, 4415, 4870, 5298, 5844, 7305, 7947, 8766, 8830, 9740, 10596, 13245, 14610, 15894, 17532, 17660, 21915, 26490, 29220, 31788, 39735, 43830, 52980, 79470, 87660, 158940, 430021, 860042, 1290063, 1720084, 2150105, 2580126, 3870189, 4300210, 5160252, 6450315, 7740378, 8600420, 12900630, 15480756, 19350945, 25801260, 38701890, 77403780]

約数ペア:

[(1, 77403780), (2, 38701890), (3, 25801260), (4, 19350945), (5, 15480756), (6, 12900630), (9, 8600420), (10, 7740378), (12, 6450315), (15, 5160252), (18, 4300210), (20, 3870189), (30, 2580126), (36, 2150105), (45, 1720084), (60, 1290063), (90, 860042), (180, 430021), (487, 158940), (883, 87660), (974, 79470), (1461, 52980), (1766, 43830), (1948, 39735), (2435, 31788), (2649, 29220), (2922, 26490), (3532, 21915), (4383, 17660), (4415, 17532), (4870, 15894), (5298, 14610), (5844, 13245), (7305, 10596), (7947, 9740), (8766, 8830)]