763899520

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:466

約数の個数: 128

約数和(自身を含む): 1905523200

約数和(自身を除く): 1141623680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 139, 155, 160, 248, 277, 278, 310, 320, 496, 554, 556, 620, 640, 695, 992, 1108, 1112, 1240, 1385, 1390, 1984, 2216, 2224, 2480, 2770, 2780, 3968, 4309, 4432, 4448, 4960, 5540, 5560, 8587, 8618, 8864, 8896, 9920, 11080, 11120, 17174, 17236, 17728, 17792, 19840, 21545, 22160, 22240, 34348, 34472, 35456, 38503, 42935, 43090, 44320, 44480, 68696, 68944, 77006, 85870, 86180, 88640, 88960, 137392, 137888, 154012, 171740, 172360, 177280, 192515, 274784, 275776, 308024, 343480, 344720, 385030, 549568, 551552, 616048, 686960, 689440, 770060, 1099136, 1193593, 1232096, 1373920, 1378880, 1540120, 2387186, 2464192, 2747840, 2757760, 3080240, 4774372, 4928384, 5495680, 5967965, 6160480, 9548744, 11935930, 12320960, 19097488, 23871860, 24641920, 38194976, 47743720, 76389952, 95487440, 152779904, 190974880, 381949760, 763899520]

約数ペア:

[(1, 763899520), (2, 381949760), (4, 190974880), (5, 152779904), (8, 95487440), (10, 76389952), (16, 47743720), (20, 38194976), (31, 24641920), (32, 23871860), (40, 19097488), (62, 12320960), (64, 11935930), (80, 9548744), (124, 6160480), (128, 5967965), (139, 5495680), (155, 4928384), (160, 4774372), (248, 3080240), (277, 2757760), (278, 2747840), (310, 2464192), (320, 2387186), (496, 1540120), (554, 1378880), (556, 1373920), (620, 1232096), (640, 1193593), (695, 1099136), (992, 770060), (1108, 689440), (1112, 686960), (1240, 616048), (1385, 551552), (1390, 549568), (1984, 385030), (2216, 344720), (2224, 343480), (2480, 308024), (2770, 275776), (2780, 274784), (3968, 192515), (4309, 177280), (4432, 172360), (4448, 171740), (4960, 154012), (5540, 137888), (5560, 137392), (8587, 88960), (8618, 88640), (8864, 86180), (8896, 85870), (9920, 77006), (11080, 68944), (11120, 68696), (17174, 44480), (17236, 44320), (17728, 43090), (17792, 42935), (19840, 38503), (21545, 35456), (22160, 34472), (22240, 34348)]