7356440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 128

約数和(自身を含む): 21288960

約数和(自身を除く): 13932520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 43, 47, 52, 56, 65, 70, 86, 91, 94, 104, 130, 140, 172, 182, 188, 215, 235, 260, 280, 301, 329, 344, 364, 376, 430, 455, 470, 520, 559, 602, 611, 658, 728, 860, 910, 940, 1118, 1204, 1222, 1316, 1505, 1645, 1720, 1820, 1880, 2021, 2236, 2408, 2444, 2632, 2795, 3010, 3055, 3290, 3640, 3913, 4042, 4277, 4472, 4888, 5590, 6020, 6110, 6580, 7826, 8084, 8554, 10105, 11180, 12040, 12220, 13160, 14147, 15652, 16168, 17108, 19565, 20210, 21385, 22360, 24440, 26273, 28294, 31304, 34216, 39130, 40420, 42770, 52546, 56588, 70735, 78260, 80840, 85540, 105092, 113176, 131365, 141470, 156520, 171080, 183911, 210184, 262730, 282940, 367822, 525460, 565880, 735644, 919555, 1050920, 1471288, 1839110, 3678220, 7356440]

約数ペア:

[(1, 7356440), (2, 3678220), (4, 1839110), (5, 1471288), (7, 1050920), (8, 919555), (10, 735644), (13, 565880), (14, 525460), (20, 367822), (26, 282940), (28, 262730), (35, 210184), (40, 183911), (43, 171080), (47, 156520), (52, 141470), (56, 131365), (65, 113176), (70, 105092), (86, 85540), (91, 80840), (94, 78260), (104, 70735), (130, 56588), (140, 52546), (172, 42770), (182, 40420), (188, 39130), (215, 34216), (235, 31304), (260, 28294), (280, 26273), (301, 24440), (329, 22360), (344, 21385), (364, 20210), (376, 19565), (430, 17108), (455, 16168), (470, 15652), (520, 14147), (559, 13160), (602, 12220), (611, 12040), (658, 11180), (728, 10105), (860, 8554), (910, 8084), (940, 7826), (1118, 6580), (1204, 6110), (1222, 6020), (1316, 5590), (1505, 4888), (1645, 4472), (1720, 4277), (1820, 4042), (1880, 3913), (2021, 3640), (2236, 3290), (2408, 3055), (2444, 3010), (2632, 2795)]