61878520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2099}}^1$

素因数の和:2188

約数の個数: 64

約数和(自身を含む): 154224000

約数和(自身を除く): 92345480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 1340, 1474, 2099, 2680, 2948, 3685, 4198, 5896, 7370, 8396, 10495, 14740, 16792, 20990, 23089, 29480, 41980, 46178, 83960, 92356, 115445, 140633, 184712, 230890, 281266, 461780, 562532, 703165, 923560, 1125064, 1406330, 1546963, 2812660, 3093926, 5625320, 6187852, 7734815, 12375704, 15469630, 30939260, 61878520]

約数ペア:

[(1, 61878520), (2, 30939260), (4, 15469630), (5, 12375704), (8, 7734815), (10, 6187852), (11, 5625320), (20, 3093926), (22, 2812660), (40, 1546963), (44, 1406330), (55, 1125064), (67, 923560), (88, 703165), (110, 562532), (134, 461780), (220, 281266), (268, 230890), (335, 184712), (440, 140633), (536, 115445), (670, 92356), (737, 83960), (1340, 46178), (1474, 41980), (2099, 29480), (2680, 23089), (2948, 20990), (3685, 16792), (4198, 14740), (5896, 10495), (7370, 8396)]