90209040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{919}}^1$

素因数の和:1344

約数の個数: 80

約数和(自身を含む): 280636800

約数和(自身を除く): 190427760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 409, 818, 919, 1227, 1636, 1838, 2045, 2454, 2757, 3272, 3676, 4090, 4595, 4908, 5514, 6135, 6544, 7352, 8180, 9190, 9816, 11028, 12270, 13785, 14704, 16360, 18380, 19632, 22056, 24540, 27570, 32720, 36760, 44112, 49080, 55140, 73520, 98160, 110280, 220560, 375871, 751742, 1127613, 1503484, 1879355, 2255226, 3006968, 3758710, 4510452, 5638065, 6013936, 7517420, 9020904, 11276130, 15034840, 18041808, 22552260, 30069680, 45104520, 90209040]

約数ペア:

[(1, 90209040), (2, 45104520), (3, 30069680), (4, 22552260), (5, 18041808), (6, 15034840), (8, 11276130), (10, 9020904), (12, 7517420), (15, 6013936), (16, 5638065), (20, 4510452), (24, 3758710), (30, 3006968), (40, 2255226), (48, 1879355), (60, 1503484), (80, 1127613), (120, 751742), (240, 375871), (409, 220560), (818, 110280), (919, 98160), (1227, 73520), (1636, 55140), (1838, 49080), (2045, 44112), (2454, 36760), (2757, 32720), (3272, 27570), (3676, 24540), (4090, 22056), (4595, 19632), (4908, 18380), (5514, 16360), (6135, 14704), (6544, 13785), (7352, 12270), (8180, 11028), (9190, 9816)]