66407440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:257

約数の個数: 160

約数和(自身を含む): 187059456

約数和(自身を除く): 120652016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 23, 34, 40, 44, 46, 55, 68, 80, 85, 88, 92, 110, 115, 136, 170, 176, 184, 187, 193, 220, 230, 253, 272, 340, 368, 374, 386, 391, 440, 460, 506, 680, 748, 772, 782, 880, 920, 935, 965, 1012, 1265, 1360, 1496, 1544, 1564, 1840, 1870, 1930, 1955, 2024, 2123, 2530, 2992, 3088, 3128, 3281, 3740, 3860, 3910, 4048, 4246, 4301, 4439, 5060, 6256, 6562, 7480, 7720, 7820, 8492, 8602, 8878, 10120, 10615, 13124, 14960, 15440, 15640, 16405, 16984, 17204, 17756, 20240, 21230, 21505, 22195, 26248, 31280, 32810, 33968, 34408, 35512, 36091, 42460, 43010, 44390, 48829, 52496, 65620, 68816, 71024, 72182, 75463, 84920, 86020, 88780, 97658, 131240, 144364, 150926, 169840, 172040, 177560, 180455, 195316, 244145, 262480, 288728, 301852, 344080, 355120, 360910, 377315, 390632, 488290, 577456, 603704, 721820, 754630, 781264, 830093, 976580, 1207408, 1443640, 1509260, 1660186, 1953160, 2887280, 3018520, 3320372, 3906320, 4150465, 6037040, 6640744, 8300930, 13281488, 16601860, 33203720, 66407440]

約数ペア:

[(1, 66407440), (2, 33203720), (4, 16601860), (5, 13281488), (8, 8300930), (10, 6640744), (11, 6037040), (16, 4150465), (17, 3906320), (20, 3320372), (22, 3018520), (23, 2887280), (34, 1953160), (40, 1660186), (44, 1509260), (46, 1443640), (55, 1207408), (68, 976580), (80, 830093), (85, 781264), (88, 754630), (92, 721820), (110, 603704), (115, 577456), (136, 488290), (170, 390632), (176, 377315), (184, 360910), (187, 355120), (193, 344080), (220, 301852), (230, 288728), (253, 262480), (272, 244145), (340, 195316), (368, 180455), (374, 177560), (386, 172040), (391, 169840), (440, 150926), (460, 144364), (506, 131240), (680, 97658), (748, 88780), (772, 86020), (782, 84920), (880, 75463), (920, 72182), (935, 71024), (965, 68816), (1012, 65620), (1265, 52496), (1360, 48829), (1496, 44390), (1544, 43010), (1564, 42460), (1840, 36091), (1870, 35512), (1930, 34408), (1955, 33968), (2024, 32810), (2123, 31280), (2530, 26248), (2992, 22195), (3088, 21505), (3128, 21230), (3281, 20240), (3740, 17756), (3860, 17204), (3910, 16984), (4048, 16405), (4246, 15640), (4301, 15440), (4439, 14960), (5060, 13124), (6256, 10615), (6562, 10120), (7480, 8878), (7720, 8602), (7820, 8492)]