812293760

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:578

約数の個数: 128

約数和(自身を含む): 2046038400

約数和(自身を除く): 1233744640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 139, 160, 184, 230, 278, 320, 368, 397, 460, 556, 640, 695, 736, 794, 920, 1112, 1390, 1472, 1588, 1840, 1985, 2224, 2780, 2944, 3176, 3197, 3680, 3970, 4448, 5560, 6352, 6394, 7360, 7940, 8896, 9131, 11120, 12704, 12788, 14720, 15880, 15985, 17792, 18262, 22240, 25408, 25576, 31760, 31970, 36524, 44480, 45655, 50816, 51152, 55183, 63520, 63940, 73048, 88960, 91310, 102304, 110366, 127040, 127880, 146096, 182620, 204608, 220732, 254080, 255760, 275915, 292192, 365240, 409216, 441464, 511520, 551830, 584384, 730480, 882928, 1023040, 1103660, 1168768, 1269209, 1460960, 1765856, 2046080, 2207320, 2538418, 2921920, 3531712, 4414640, 5076836, 5843840, 6346045, 7063424, 8829280, 10153672, 12692090, 17658560, 20307344, 25384180, 35317120, 40614688, 50768360, 81229376, 101536720, 162458752, 203073440, 406146880, 812293760]

約数ペア:

[(1, 812293760), (2, 406146880), (4, 203073440), (5, 162458752), (8, 101536720), (10, 81229376), (16, 50768360), (20, 40614688), (23, 35317120), (32, 25384180), (40, 20307344), (46, 17658560), (64, 12692090), (80, 10153672), (92, 8829280), (115, 7063424), (128, 6346045), (139, 5843840), (160, 5076836), (184, 4414640), (230, 3531712), (278, 2921920), (320, 2538418), (368, 2207320), (397, 2046080), (460, 1765856), (556, 1460960), (640, 1269209), (695, 1168768), (736, 1103660), (794, 1023040), (920, 882928), (1112, 730480), (1390, 584384), (1472, 551830), (1588, 511520), (1840, 441464), (1985, 409216), (2224, 365240), (2780, 292192), (2944, 275915), (3176, 255760), (3197, 254080), (3680, 220732), (3970, 204608), (4448, 182620), (5560, 146096), (6352, 127880), (6394, 127040), (7360, 110366), (7940, 102304), (8896, 91310), (9131, 88960), (11120, 73048), (12704, 63940), (12788, 63520), (14720, 55183), (15880, 51152), (15985, 50816), (17792, 45655), (18262, 44480), (22240, 36524), (25408, 31970), (25576, 31760)]