9905580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:615

約数の個数: 72

約数和(自身を含む): 30375072

約数和(自身を除く): 20469492

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 487, 565, 678, 974, 1017, 1130, 1356, 1461, 1695, 1948, 2034, 2260, 2435, 2922, 3390, 4068, 4383, 4870, 5085, 5844, 6780, 7305, 8766, 9740, 10170, 14610, 17532, 20340, 21915, 29220, 43830, 55031, 87660, 110062, 165093, 220124, 275155, 330186, 495279, 550310, 660372, 825465, 990558, 1100620, 1650930, 1981116, 2476395, 3301860, 4952790, 9905580]

約数ペア:

[(1, 9905580), (2, 4952790), (3, 3301860), (4, 2476395), (5, 1981116), (6, 1650930), (9, 1100620), (10, 990558), (12, 825465), (15, 660372), (18, 550310), (20, 495279), (30, 330186), (36, 275155), (45, 220124), (60, 165093), (90, 110062), (113, 87660), (180, 55031), (226, 43830), (339, 29220), (452, 21915), (487, 20340), (565, 17532), (678, 14610), (974, 10170), (1017, 9740), (1130, 8766), (1356, 7305), (1461, 6780), (1695, 5844), (1948, 5085), (2034, 4870), (2260, 4383), (2435, 4068), (2922, 3390)]