81880496670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{1907}}^1\times {\mathrm{204461}}^1$

素因数の和:206385

約数の個数: 64

約数和(自身を含む): 224705373696

約数和(自身を除く): 142824877026

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 1907, 3814, 5721, 9535, 11442, 13349, 19070, 26698, 28605, 40047, 57210, 66745, 80094, 133490, 200235, 204461, 400470, 408922, 613383, 1022305, 1226766, 1431227, 2044610, 2862454, 3066915, 4293681, 6133830, 7156135, 8587362, 14312270, 21468405, 42936810, 389907127, 779814254, 1169721381, 1949535635, 2339442762, 2729349889, 3899071270, 5458699778, 5848606905, 8188049667, 11697213810, 13646749445, 16376099334, 27293498890, 40940248335, 81880496670]

約数ペア:

[(1, 81880496670), (2, 40940248335), (3, 27293498890), (5, 16376099334), (6, 13646749445), (7, 11697213810), (10, 8188049667), (14, 5848606905), (15, 5458699778), (21, 3899071270), (30, 2729349889), (35, 2339442762), (42, 1949535635), (70, 1169721381), (105, 779814254), (210, 389907127), (1907, 42936810), (3814, 21468405), (5721, 14312270), (9535, 8587362), (11442, 7156135), (13349, 6133830), (19070, 4293681), (26698, 3066915), (28605, 2862454), (40047, 2044610), (57210, 1431227), (66745, 1226766), (80094, 1022305), (133490, 613383), (200235, 408922), (204461, 400470)]