57721840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 120

約数和(自身を含む): 151396560

約数和(自身を除く): 93674720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 67, 80, 88, 89, 110, 121, 134, 176, 178, 220, 242, 268, 335, 356, 440, 445, 484, 536, 605, 670, 712, 737, 880, 890, 968, 979, 1072, 1210, 1340, 1424, 1474, 1780, 1936, 1958, 2420, 2680, 2948, 3560, 3685, 3916, 4840, 4895, 5360, 5896, 5963, 7120, 7370, 7832, 8107, 9680, 9790, 10769, 11792, 11926, 14740, 15664, 16214, 19580, 21538, 23852, 29480, 29815, 32428, 39160, 40535, 43076, 47704, 53845, 58960, 59630, 64856, 65593, 78320, 81070, 86152, 95408, 107690, 119260, 129712, 131186, 162140, 172304, 215380, 238520, 262372, 324280, 327965, 430760, 477040, 524744, 648560, 655930, 721523, 861520, 1049488, 1311860, 1443046, 2623720, 2886092, 3607615, 5247440, 5772184, 7215230, 11544368, 14430460, 28860920, 57721840]

約数ペア:

[(1, 57721840), (2, 28860920), (4, 14430460), (5, 11544368), (8, 7215230), (10, 5772184), (11, 5247440), (16, 3607615), (20, 2886092), (22, 2623720), (40, 1443046), (44, 1311860), (55, 1049488), (67, 861520), (80, 721523), (88, 655930), (89, 648560), (110, 524744), (121, 477040), (134, 430760), (176, 327965), (178, 324280), (220, 262372), (242, 238520), (268, 215380), (335, 172304), (356, 162140), (440, 131186), (445, 129712), (484, 119260), (536, 107690), (605, 95408), (670, 86152), (712, 81070), (737, 78320), (880, 65593), (890, 64856), (968, 59630), (979, 58960), (1072, 53845), (1210, 47704), (1340, 43076), (1424, 40535), (1474, 39160), (1780, 32428), (1936, 29815), (1958, 29480), (2420, 23852), (2680, 21538), (2948, 19580), (3560, 16214), (3685, 15664), (3916, 14740), (4840, 11926), (4895, 11792), (5360, 10769), (5896, 9790), (5963, 9680), (7120, 8107), (7370, 7832)]