128773680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{76651}}^1$

素因数の和:76674

約数の個数: 80

約数和(自身を含む): 456232704

約数和(自身を除く): 327459024

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 76651, 153302, 229953, 306604, 383255, 459906, 536557, 613208, 766510, 919812, 1073114, 1149765, 1226416, 1533020, 1609671, 1839624, 2146228, 2299530, 2682785, 3066040, 3219342, 3679248, 4292456, 4599060, 5365570, 6132080, 6438684, 8048355, 8584912, 9198120, 10731140, 12877368, 16096710, 18396240, 21462280, 25754736, 32193420, 42924560, 64386840, 128773680]

約数ペア:

[(1, 128773680), (2, 64386840), (3, 42924560), (4, 32193420), (5, 25754736), (6, 21462280), (7, 18396240), (8, 16096710), (10, 12877368), (12, 10731140), (14, 9198120), (15, 8584912), (16, 8048355), (20, 6438684), (21, 6132080), (24, 5365570), (28, 4599060), (30, 4292456), (35, 3679248), (40, 3219342), (42, 3066040), (48, 2682785), (56, 2299530), (60, 2146228), (70, 1839624), (80, 1609671), (84, 1533020), (105, 1226416), (112, 1149765), (120, 1073114), (140, 919812), (168, 766510), (210, 613208), (240, 536557), (280, 459906), (336, 383255), (420, 306604), (560, 229953), (840, 153302), (1680, 76651)]