156748760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:385

約数の個数: 128

約数和(自身を含む): 422737920

約数和(自身を除く): 265989160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 47, 56, 70, 86, 94, 140, 172, 188, 215, 235, 277, 280, 301, 329, 344, 376, 430, 470, 554, 602, 658, 860, 940, 1108, 1204, 1316, 1385, 1505, 1645, 1720, 1880, 1939, 2021, 2216, 2408, 2632, 2770, 3010, 3290, 3878, 4042, 5540, 6020, 6580, 7756, 8084, 9695, 10105, 11080, 11911, 12040, 13019, 13160, 14147, 15512, 16168, 19390, 20210, 23822, 26038, 28294, 38780, 40420, 47644, 52076, 56588, 59555, 65095, 70735, 77560, 80840, 83377, 91133, 95288, 104152, 113176, 119110, 130190, 141470, 166754, 182266, 238220, 260380, 282940, 333508, 364532, 416885, 455665, 476440, 520760, 559817, 565880, 667016, 729064, 833770, 911330, 1119634, 1667540, 1822660, 2239268, 2799085, 3335080, 3645320, 3918719, 4478536, 5598170, 7837438, 11196340, 15674876, 19593595, 22392680, 31349752, 39187190, 78374380, 156748760]

約数ペア:

[(1, 156748760), (2, 78374380), (4, 39187190), (5, 31349752), (7, 22392680), (8, 19593595), (10, 15674876), (14, 11196340), (20, 7837438), (28, 5598170), (35, 4478536), (40, 3918719), (43, 3645320), (47, 3335080), (56, 2799085), (70, 2239268), (86, 1822660), (94, 1667540), (140, 1119634), (172, 911330), (188, 833770), (215, 729064), (235, 667016), (277, 565880), (280, 559817), (301, 520760), (329, 476440), (344, 455665), (376, 416885), (430, 364532), (470, 333508), (554, 282940), (602, 260380), (658, 238220), (860, 182266), (940, 166754), (1108, 141470), (1204, 130190), (1316, 119110), (1385, 113176), (1505, 104152), (1645, 95288), (1720, 91133), (1880, 83377), (1939, 80840), (2021, 77560), (2216, 70735), (2408, 65095), (2632, 59555), (2770, 56588), (3010, 52076), (3290, 47644), (3878, 40420), (4042, 38780), (5540, 28294), (6020, 26038), (6580, 23822), (7756, 20210), (8084, 19390), (9695, 16168), (10105, 15512), (11080, 14147), (11911, 13160), (12040, 13019)]