128749040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3769}}^1$

素因数の和:3850

約数の個数: 80

約数和(自身を含む): 347805120

約数和(自身を除く): 219056080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 976, 1220, 1708, 2135, 2440, 3416, 3769, 4270, 4880, 6832, 7538, 8540, 15076, 17080, 18845, 26383, 30152, 34160, 37690, 52766, 60304, 75380, 105532, 131915, 150760, 211064, 229909, 263830, 301520, 422128, 459818, 527660, 919636, 1055320, 1149545, 1609363, 1839272, 2110640, 2299090, 3218726, 3678544, 4598180, 6437452, 8046815, 9196360, 12874904, 16093630, 18392720, 25749808, 32187260, 64374520, 128749040]

約数ペア:

[(1, 128749040), (2, 64374520), (4, 32187260), (5, 25749808), (7, 18392720), (8, 16093630), (10, 12874904), (14, 9196360), (16, 8046815), (20, 6437452), (28, 4598180), (35, 3678544), (40, 3218726), (56, 2299090), (61, 2110640), (70, 1839272), (80, 1609363), (112, 1149545), (122, 1055320), (140, 919636), (244, 527660), (280, 459818), (305, 422128), (427, 301520), (488, 263830), (560, 229909), (610, 211064), (854, 150760), (976, 131915), (1220, 105532), (1708, 75380), (2135, 60304), (2440, 52766), (3416, 37690), (3769, 34160), (4270, 30152), (4880, 26383), (6832, 18845), (7538, 17080), (8540, 15076)]