408909420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{3533}}^1$

素因数の和:4191

約数の個数: 72

約数和(自身を含む): 1242639216

約数和(自身を除く): 833729796

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 643, 1286, 1929, 2572, 3215, 3533, 3858, 5787, 6430, 7066, 7716, 9645, 10599, 11574, 12860, 14132, 17665, 19290, 21198, 23148, 28935, 31797, 35330, 38580, 42396, 52995, 57870, 63594, 70660, 105990, 115740, 127188, 158985, 211980, 317970, 635940, 2271719, 4543438, 6815157, 9086876, 11358595, 13630314, 20445471, 22717190, 27260628, 34075785, 40890942, 45434380, 68151570, 81781884, 102227355, 136303140, 204454710, 408909420]

約数ペア:

[(1, 408909420), (2, 204454710), (3, 136303140), (4, 102227355), (5, 81781884), (6, 68151570), (9, 45434380), (10, 40890942), (12, 34075785), (15, 27260628), (18, 22717190), (20, 20445471), (30, 13630314), (36, 11358595), (45, 9086876), (60, 6815157), (90, 4543438), (180, 2271719), (643, 635940), (1286, 317970), (1929, 211980), (2572, 158985), (3215, 127188), (3533, 115740), (3858, 105990), (5787, 70660), (6430, 63594), (7066, 57870), (7716, 52995), (9645, 42396), (10599, 38580), (11574, 35330), (12860, 31797), (14132, 28935), (17665, 23148), (19290, 21198)]