81080748

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 246564864

約数和(自身を除く): 165484116

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 97, 107, 124, 126, 186, 194, 214, 217, 252, 279, 291, 321, 372, 388, 428, 434, 558, 582, 642, 651, 679, 749, 868, 873, 963, 1116, 1164, 1284, 1302, 1358, 1498, 1746, 1926, 1953, 2037, 2247, 2604, 2716, 2996, 3007, 3317, 3492, 3852, 3906, 4074, 4494, 6014, 6111, 6634, 6741, 7812, 8148, 8988, 9021, 9951, 10379, 12028, 12222, 13268, 13482, 18042, 19902, 20758, 21049, 23219, 24444, 26964, 27063, 29853, 31137, 36084, 39804, 41516, 42098, 46438, 54126, 59706, 62274, 63147, 69657, 72653, 84196, 92876, 93411, 108252, 119412, 124548, 126294, 139314, 145306, 186822, 189441, 208971, 217959, 252588, 278628, 290612, 321749, 373644, 378882, 417942, 435918, 643498, 653877, 757764, 835884, 871836, 965247, 1286996, 1307754, 1930494, 2252243, 2615508, 2895741, 3860988, 4504486, 5791482, 6756729, 9008972, 11582964, 13513458, 20270187, 27026916, 40540374, 81080748]

約数ペア:

[(1, 81080748), (2, 40540374), (3, 27026916), (4, 20270187), (6, 13513458), (7, 11582964), (9, 9008972), (12, 6756729), (14, 5791482), (18, 4504486), (21, 3860988), (28, 2895741), (31, 2615508), (36, 2252243), (42, 1930494), (62, 1307754), (63, 1286996), (84, 965247), (93, 871836), (97, 835884), (107, 757764), (124, 653877), (126, 643498), (186, 435918), (194, 417942), (214, 378882), (217, 373644), (252, 321749), (279, 290612), (291, 278628), (321, 252588), (372, 217959), (388, 208971), (428, 189441), (434, 186822), (558, 145306), (582, 139314), (642, 126294), (651, 124548), (679, 119412), (749, 108252), (868, 93411), (873, 92876), (963, 84196), (1116, 72653), (1164, 69657), (1284, 63147), (1302, 62274), (1358, 59706), (1498, 54126), (1746, 46438), (1926, 42098), (1953, 41516), (2037, 39804), (2247, 36084), (2604, 31137), (2716, 29853), (2996, 27063), (3007, 26964), (3317, 24444), (3492, 23219), (3852, 21049), (3906, 20758), (4074, 19902), (4494, 18042), (6014, 13482), (6111, 13268), (6634, 12222), (6741, 12028), (7812, 10379), (8148, 9951), (8988, 9021)]