71927920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{599}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 178560000

約数和(自身を除く): 106632080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 79, 80, 95, 152, 158, 190, 304, 316, 380, 395, 599, 632, 760, 790, 1198, 1264, 1501, 1520, 1580, 2396, 2995, 3002, 3160, 4792, 5990, 6004, 6320, 7505, 9584, 11381, 11980, 12008, 15010, 22762, 23960, 24016, 30020, 45524, 47321, 47920, 56905, 60040, 91048, 94642, 113810, 120080, 182096, 189284, 227620, 236605, 378568, 455240, 473210, 757136, 899099, 910480, 946420, 1798198, 1892840, 3596396, 3785680, 4495495, 7192792, 8990990, 14385584, 17981980, 35963960, 71927920]

約数ペア:

[(1, 71927920), (2, 35963960), (4, 17981980), (5, 14385584), (8, 8990990), (10, 7192792), (16, 4495495), (19, 3785680), (20, 3596396), (38, 1892840), (40, 1798198), (76, 946420), (79, 910480), (80, 899099), (95, 757136), (152, 473210), (158, 455240), (190, 378568), (304, 236605), (316, 227620), (380, 189284), (395, 182096), (599, 120080), (632, 113810), (760, 94642), (790, 91048), (1198, 60040), (1264, 56905), (1501, 47920), (1520, 47321), (1580, 45524), (2396, 30020), (2995, 24016), (3002, 23960), (3160, 22762), (4792, 15010), (5990, 12008), (6004, 11980), (6320, 11381), (7505, 9584)]