81533940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1933}}^1$

素因数の和:2001

約数の個数: 96

約数和(自身を含む): 246933120

約数和(自身を除く): 165399180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 37, 38, 57, 60, 74, 76, 95, 111, 114, 148, 185, 190, 222, 228, 285, 370, 380, 444, 555, 570, 703, 740, 1110, 1140, 1406, 1933, 2109, 2220, 2812, 3515, 3866, 4218, 5799, 7030, 7732, 8436, 9665, 10545, 11598, 14060, 19330, 21090, 23196, 28995, 36727, 38660, 42180, 57990, 71521, 73454, 110181, 115980, 143042, 146908, 183635, 214563, 220362, 286084, 357605, 367270, 429126, 440724, 550905, 715210, 734540, 858252, 1072815, 1101810, 1358899, 1430420, 2145630, 2203620, 2717798, 4076697, 4291260, 5435596, 6794495, 8153394, 13588990, 16306788, 20383485, 27177980, 40766970, 81533940]

約数ペア:

[(1, 81533940), (2, 40766970), (3, 27177980), (4, 20383485), (5, 16306788), (6, 13588990), (10, 8153394), (12, 6794495), (15, 5435596), (19, 4291260), (20, 4076697), (30, 2717798), (37, 2203620), (38, 2145630), (57, 1430420), (60, 1358899), (74, 1101810), (76, 1072815), (95, 858252), (111, 734540), (114, 715210), (148, 550905), (185, 440724), (190, 429126), (222, 367270), (228, 357605), (285, 286084), (370, 220362), (380, 214563), (444, 183635), (555, 146908), (570, 143042), (703, 115980), (740, 110181), (1110, 73454), (1140, 71521), (1406, 57990), (1933, 42180), (2109, 38660), (2220, 36727), (2812, 28995), (3515, 23196), (3866, 21090), (4218, 19330), (5799, 14060), (7030, 11598), (7732, 10545), (8436, 9665)]