11720480

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 30481920

約数和(自身を除く): 18761440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 68, 80, 85, 124, 136, 139, 155, 160, 170, 248, 272, 278, 310, 340, 496, 527, 544, 556, 620, 680, 695, 992, 1054, 1112, 1240, 1360, 1390, 2108, 2224, 2363, 2480, 2635, 2720, 2780, 4216, 4309, 4448, 4726, 4960, 5270, 5560, 8432, 8618, 9452, 10540, 11120, 11815, 16864, 17236, 18904, 21080, 21545, 22240, 23630, 34472, 37808, 42160, 43090, 47260, 68944, 73253, 75616, 84320, 86180, 94520, 137888, 146506, 172360, 189040, 293012, 344720, 366265, 378080, 586024, 689440, 732530, 1172048, 1465060, 2344096, 2930120, 5860240, 11720480]

約数ペア:

[(1, 11720480), (2, 5860240), (4, 2930120), (5, 2344096), (8, 1465060), (10, 1172048), (16, 732530), (17, 689440), (20, 586024), (31, 378080), (32, 366265), (34, 344720), (40, 293012), (62, 189040), (68, 172360), (80, 146506), (85, 137888), (124, 94520), (136, 86180), (139, 84320), (155, 75616), (160, 73253), (170, 68944), (248, 47260), (272, 43090), (278, 42160), (310, 37808), (340, 34472), (496, 23630), (527, 22240), (544, 21545), (556, 21080), (620, 18904), (680, 17236), (695, 16864), (992, 11815), (1054, 11120), (1112, 10540), (1240, 9452), (1360, 8618), (1390, 8432), (2108, 5560), (2224, 5270), (2363, 4960), (2480, 4726), (2635, 4448), (2720, 4309), (2780, 4216)]