215548840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2083}}^1$

素因数の和:2306

約数の個数: 64

約数和(自身を含む): 525168000

約数和(自身を除く): 309619160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 199, 260, 398, 520, 796, 995, 1592, 1990, 2083, 2587, 3980, 4166, 5174, 7960, 8332, 10348, 10415, 12935, 16664, 20696, 20830, 25870, 27079, 41660, 51740, 54158, 83320, 103480, 108316, 135395, 216632, 270790, 414517, 541580, 829034, 1083160, 1658068, 2072585, 3316136, 4145170, 5388721, 8290340, 10777442, 16580680, 21554884, 26943605, 43109768, 53887210, 107774420, 215548840]

約数ペア:

[(1, 215548840), (2, 107774420), (4, 53887210), (5, 43109768), (8, 26943605), (10, 21554884), (13, 16580680), (20, 10777442), (26, 8290340), (40, 5388721), (52, 4145170), (65, 3316136), (104, 2072585), (130, 1658068), (199, 1083160), (260, 829034), (398, 541580), (520, 414517), (796, 270790), (995, 216632), (1592, 135395), (1990, 108316), (2083, 103480), (2587, 83320), (3980, 54158), (4166, 51740), (5174, 41660), (7960, 27079), (8332, 25870), (10348, 20830), (10415, 20696), (12935, 16664)]