78392440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1$

素因数の和:461

約数の個数: 128

約数和(自身を含む): 218972160

約数和(自身を除く): 140579720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 43, 56, 68, 70, 85, 86, 119, 136, 140, 170, 172, 215, 238, 280, 301, 340, 344, 383, 430, 476, 595, 602, 680, 731, 766, 860, 952, 1190, 1204, 1462, 1505, 1532, 1720, 1915, 2380, 2408, 2681, 2924, 3010, 3064, 3655, 3830, 4760, 5117, 5362, 5848, 6020, 6511, 7310, 7660, 10234, 10724, 12040, 13022, 13405, 14620, 15320, 16469, 20468, 21448, 25585, 26044, 26810, 29240, 32555, 32938, 40936, 45577, 51170, 52088, 53620, 65110, 65876, 82345, 91154, 102340, 107240, 115283, 130220, 131752, 164690, 182308, 204680, 227885, 230566, 260440, 279973, 329380, 364616, 455770, 461132, 559946, 576415, 658760, 911540, 922264, 1119892, 1152830, 1399865, 1823080, 1959811, 2239784, 2305660, 2799730, 3919622, 4611320, 5599460, 7839244, 9799055, 11198920, 15678488, 19598110, 39196220, 78392440]

約数ペア:

[(1, 78392440), (2, 39196220), (4, 19598110), (5, 15678488), (7, 11198920), (8, 9799055), (10, 7839244), (14, 5599460), (17, 4611320), (20, 3919622), (28, 2799730), (34, 2305660), (35, 2239784), (40, 1959811), (43, 1823080), (56, 1399865), (68, 1152830), (70, 1119892), (85, 922264), (86, 911540), (119, 658760), (136, 576415), (140, 559946), (170, 461132), (172, 455770), (215, 364616), (238, 329380), (280, 279973), (301, 260440), (340, 230566), (344, 227885), (383, 204680), (430, 182308), (476, 164690), (595, 131752), (602, 130220), (680, 115283), (731, 107240), (766, 102340), (860, 91154), (952, 82345), (1190, 65876), (1204, 65110), (1462, 53620), (1505, 52088), (1532, 51170), (1720, 45577), (1915, 40936), (2380, 32938), (2408, 32555), (2681, 29240), (2924, 26810), (3010, 26044), (3064, 25585), (3655, 21448), (3830, 20468), (4760, 16469), (5117, 15320), (5362, 14620), (5848, 13405), (6020, 13022), (6511, 12040), (7310, 10724), (7660, 10234)]