405807660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{9433}}^1$

素因数の和:9687

約数の個数: 72

約数和(自身を含む): 1236231360

約数和(自身を除く): 830423700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 2151, 2390, 2868, 3585, 4302, 4780, 7170, 8604, 9433, 10755, 14340, 18866, 21510, 28299, 37732, 43020, 47165, 56598, 84897, 94330, 113196, 141495, 169794, 188660, 282990, 339588, 424485, 565980, 848970, 1697940, 2254487, 4508974, 6763461, 9017948, 11272435, 13526922, 20290383, 22544870, 27053844, 33817305, 40580766, 45089740, 67634610, 81161532, 101451915, 135269220, 202903830, 405807660]

約数ペア:

[(1, 405807660), (2, 202903830), (3, 135269220), (4, 101451915), (5, 81161532), (6, 67634610), (9, 45089740), (10, 40580766), (12, 33817305), (15, 27053844), (18, 22544870), (20, 20290383), (30, 13526922), (36, 11272435), (45, 9017948), (60, 6763461), (90, 4508974), (180, 2254487), (239, 1697940), (478, 848970), (717, 565980), (956, 424485), (1195, 339588), (1434, 282990), (2151, 188660), (2390, 169794), (2868, 141495), (3585, 113196), (4302, 94330), (4780, 84897), (7170, 56598), (8604, 47165), (9433, 43020), (10755, 37732), (14340, 28299), (18866, 21510)]