54915440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:450

約数の個数: 80

約数和(自身を含む): 136598400

約数和(自身を除く): 81682960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 149, 170, 271, 272, 298, 340, 542, 596, 680, 745, 1084, 1192, 1355, 1360, 1490, 2168, 2384, 2533, 2710, 2980, 4336, 4607, 5066, 5420, 5960, 9214, 10132, 10840, 11920, 12665, 18428, 20264, 21680, 23035, 25330, 36856, 40379, 40528, 46070, 50660, 73712, 80758, 92140, 101320, 161516, 184280, 201895, 202640, 323032, 368560, 403790, 646064, 686443, 807580, 1372886, 1615160, 2745772, 3230320, 3432215, 5491544, 6864430, 10983088, 13728860, 27457720, 54915440]

約数ペア:

[(1, 54915440), (2, 27457720), (4, 13728860), (5, 10983088), (8, 6864430), (10, 5491544), (16, 3432215), (17, 3230320), (20, 2745772), (34, 1615160), (40, 1372886), (68, 807580), (80, 686443), (85, 646064), (136, 403790), (149, 368560), (170, 323032), (271, 202640), (272, 201895), (298, 184280), (340, 161516), (542, 101320), (596, 92140), (680, 80758), (745, 73712), (1084, 50660), (1192, 46070), (1355, 40528), (1360, 40379), (1490, 36856), (2168, 25330), (2384, 23035), (2533, 21680), (2710, 20264), (2980, 18428), (4336, 12665), (4607, 11920), (5066, 10840), (5420, 10132), (5960, 9214)]