640885896

素因数分解:

$2^3\times 3^2\times 7^3\times {\mathrm{25951}}^1$

素因数の和:25984

約数の個数: 96

約数和(自身を含む): 2024256000

約数和(自身を除く): 1383370104

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 343, 392, 441, 504, 588, 686, 882, 1029, 1176, 1372, 1764, 2058, 2744, 3087, 3528, 4116, 6174, 8232, 12348, 24696, 25951, 51902, 77853, 103804, 155706, 181657, 207608, 233559, 311412, 363314, 467118, 544971, 622824, 726628, 934236, 1089942, 1271599, 1453256, 1634913, 1868472, 2179884, 2543198, 3269826, 3814797, 4359768, 5086396, 6539652, 7629594, 8901193, 10172792, 11444391, 13079304, 15259188, 17802386, 22888782, 26703579, 30518376, 35604772, 45777564, 53407158, 71209544, 80110737, 91555128, 106814316, 160221474, 213628632, 320442948, 640885896]

約数ペア:

[(1, 640885896), (2, 320442948), (3, 213628632), (4, 160221474), (6, 106814316), (7, 91555128), (8, 80110737), (9, 71209544), (12, 53407158), (14, 45777564), (18, 35604772), (21, 30518376), (24, 26703579), (28, 22888782), (36, 17802386), (42, 15259188), (49, 13079304), (56, 11444391), (63, 10172792), (72, 8901193), (84, 7629594), (98, 6539652), (126, 5086396), (147, 4359768), (168, 3814797), (196, 3269826), (252, 2543198), (294, 2179884), (343, 1868472), (392, 1634913), (441, 1453256), (504, 1271599), (588, 1089942), (686, 934236), (882, 726628), (1029, 622824), (1176, 544971), (1372, 467118), (1764, 363314), (2058, 311412), (2744, 233559), (3087, 207608), (3528, 181657), (4116, 155706), (6174, 103804), (8232, 77853), (12348, 51902), (24696, 25951)]