126864520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{2113}}^1$

素因数の和:2222

約数の個数: 64

約数和(自身を含む): 304416000

約数和(自身を除く): 177551480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 632, 760, 790, 1501, 1580, 2113, 3002, 3160, 4226, 6004, 7505, 8452, 10565, 12008, 15010, 16904, 21130, 30020, 40147, 42260, 60040, 80294, 84520, 160588, 166927, 200735, 321176, 333854, 401470, 667708, 802940, 834635, 1335416, 1605880, 1669270, 3171613, 3338540, 6343226, 6677080, 12686452, 15858065, 25372904, 31716130, 63432260, 126864520]

約数ペア:

[(1, 126864520), (2, 63432260), (4, 31716130), (5, 25372904), (8, 15858065), (10, 12686452), (19, 6677080), (20, 6343226), (38, 3338540), (40, 3171613), (76, 1669270), (79, 1605880), (95, 1335416), (152, 834635), (158, 802940), (190, 667708), (316, 401470), (380, 333854), (395, 321176), (632, 200735), (760, 166927), (790, 160588), (1501, 84520), (1580, 80294), (2113, 60040), (3002, 42260), (3160, 40147), (4226, 30020), (6004, 21130), (7505, 16904), (8452, 15010), (10565, 12008)]