28130940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1193}}^1$

素因数の和:1339

約数の個数: 72

約数和(自身を含む): 86053968

約数和(自身を除く): 57923028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1193, 1310, 1572, 1965, 2358, 2386, 2620, 3579, 3930, 4716, 4772, 5895, 5965, 7158, 7860, 10737, 11790, 11930, 14316, 17895, 21474, 23580, 23860, 35790, 42948, 53685, 71580, 107370, 156283, 214740, 312566, 468849, 625132, 781415, 937698, 1406547, 1562830, 1875396, 2344245, 2813094, 3125660, 4688490, 5626188, 7032735, 9376980, 14065470, 28130940]

約数ペア:

[(1, 28130940), (2, 14065470), (3, 9376980), (4, 7032735), (5, 5626188), (6, 4688490), (9, 3125660), (10, 2813094), (12, 2344245), (15, 1875396), (18, 1562830), (20, 1406547), (30, 937698), (36, 781415), (45, 625132), (60, 468849), (90, 312566), (131, 214740), (180, 156283), (262, 107370), (393, 71580), (524, 53685), (655, 42948), (786, 35790), (1179, 23860), (1193, 23580), (1310, 21474), (1572, 17895), (1965, 14316), (2358, 11930), (2386, 11790), (2620, 10737), (3579, 7860), (3930, 7158), (4716, 5965), (4772, 5895)]