27457720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 66096000

約数和(自身を除く): 38638280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 149, 170, 271, 298, 340, 542, 596, 680, 745, 1084, 1192, 1355, 1490, 2168, 2533, 2710, 2980, 4607, 5066, 5420, 5960, 9214, 10132, 10840, 12665, 18428, 20264, 23035, 25330, 36856, 40379, 46070, 50660, 80758, 92140, 101320, 161516, 184280, 201895, 323032, 403790, 686443, 807580, 1372886, 1615160, 2745772, 3432215, 5491544, 6864430, 13728860, 27457720]

約数ペア:

[(1, 27457720), (2, 13728860), (4, 6864430), (5, 5491544), (8, 3432215), (10, 2745772), (17, 1615160), (20, 1372886), (34, 807580), (40, 686443), (68, 403790), (85, 323032), (136, 201895), (149, 184280), (170, 161516), (271, 101320), (298, 92140), (340, 80758), (542, 50660), (596, 46070), (680, 40379), (745, 36856), (1084, 25330), (1192, 23035), (1355, 20264), (1490, 18428), (2168, 12665), (2533, 10840), (2710, 10132), (2980, 9214), (4607, 5960), (5066, 5420)]