90177040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1447}}^1$

素因数の和:1520

約数の個数: 80

約数和(自身を含む): 226235520

約数和(自身を除く): 136058480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 205, 304, 328, 380, 410, 656, 760, 779, 820, 1447, 1520, 1558, 1640, 2894, 3116, 3280, 3895, 5788, 6232, 7235, 7790, 11576, 12464, 14470, 15580, 23152, 27493, 28940, 31160, 54986, 57880, 59327, 62320, 109972, 115760, 118654, 137465, 219944, 237308, 274930, 296635, 439888, 474616, 549860, 593270, 949232, 1099720, 1127213, 1186540, 2199440, 2254426, 2373080, 4508852, 4746160, 5636065, 9017704, 11272130, 18035408, 22544260, 45088520, 90177040]

約数ペア:

[(1, 90177040), (2, 45088520), (4, 22544260), (5, 18035408), (8, 11272130), (10, 9017704), (16, 5636065), (19, 4746160), (20, 4508852), (38, 2373080), (40, 2254426), (41, 2199440), (76, 1186540), (80, 1127213), (82, 1099720), (95, 949232), (152, 593270), (164, 549860), (190, 474616), (205, 439888), (304, 296635), (328, 274930), (380, 237308), (410, 219944), (656, 137465), (760, 118654), (779, 115760), (820, 109972), (1447, 62320), (1520, 59327), (1558, 57880), (1640, 54986), (2894, 31160), (3116, 28940), (3280, 27493), (3895, 23152), (5788, 15580), (6232, 14470), (7235, 12464), (7790, 11576)]