27144920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 74649600

約数和(自身を除く): 47504680

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 19, 20, 22, 34, 38, 40, 44, 55, 68, 76, 85, 88, 95, 110, 136, 152, 170, 187, 190, 191, 209, 220, 323, 340, 374, 380, 382, 418, 440, 646, 680, 748, 760, 764, 836, 935, 955, 1045, 1292, 1496, 1528, 1615, 1672, 1870, 1910, 2090, 2101, 2584, 3230, 3247, 3553, 3629, 3740, 3820, 4180, 4202, 6460, 6494, 7106, 7258, 7480, 7640, 8360, 8404, 10505, 12920, 12988, 14212, 14516, 16235, 16808, 17765, 18145, 21010, 25976, 28424, 29032, 32470, 35530, 35717, 36290, 39919, 42020, 61693, 64940, 71060, 71434, 72580, 79838, 84040, 123386, 129880, 142120, 142868, 145160, 159676, 178585, 199595, 246772, 285736, 308465, 319352, 357170, 399190, 493544, 616930, 678623, 714340, 798380, 1233860, 1357246, 1428680, 1596760, 2467720, 2714492, 3393115, 5428984, 6786230, 13572460, 27144920]

約数ペア:

[(1, 27144920), (2, 13572460), (4, 6786230), (5, 5428984), (8, 3393115), (10, 2714492), (11, 2467720), (17, 1596760), (19, 1428680), (20, 1357246), (22, 1233860), (34, 798380), (38, 714340), (40, 678623), (44, 616930), (55, 493544), (68, 399190), (76, 357170), (85, 319352), (88, 308465), (95, 285736), (110, 246772), (136, 199595), (152, 178585), (170, 159676), (187, 145160), (190, 142868), (191, 142120), (209, 129880), (220, 123386), (323, 84040), (340, 79838), (374, 72580), (380, 71434), (382, 71060), (418, 64940), (440, 61693), (646, 42020), (680, 39919), (748, 36290), (760, 35717), (764, 35530), (836, 32470), (935, 29032), (955, 28424), (1045, 25976), (1292, 21010), (1496, 18145), (1528, 17765), (1615, 16808), (1672, 16235), (1870, 14516), (1910, 14212), (2090, 12988), (2101, 12920), (2584, 10505), (3230, 8404), (3247, 8360), (3553, 7640), (3629, 7480), (3740, 7258), (3820, 7106), (4180, 6494), (4202, 6460)]