77505540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1693}}^1$

素因数の和:1821

約数の個数: 96

約数和(自身を含む): 250440960

約数和(自身を除く): 172935420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 109, 140, 210, 218, 327, 420, 436, 545, 654, 763, 1090, 1308, 1526, 1635, 1693, 2180, 2289, 3052, 3270, 3386, 3815, 4578, 5079, 6540, 6772, 7630, 8465, 9156, 10158, 11445, 11851, 15260, 16930, 20316, 22890, 23702, 25395, 33860, 35553, 45780, 47404, 50790, 59255, 71106, 101580, 118510, 142212, 177765, 184537, 237020, 355530, 369074, 553611, 711060, 738148, 922685, 1107222, 1291759, 1845370, 2214444, 2583518, 2768055, 3690740, 3875277, 5167036, 5536110, 6458795, 7750554, 11072220, 12917590, 15501108, 19376385, 25835180, 38752770, 77505540]

約数ペア:

[(1, 77505540), (2, 38752770), (3, 25835180), (4, 19376385), (5, 15501108), (6, 12917590), (7, 11072220), (10, 7750554), (12, 6458795), (14, 5536110), (15, 5167036), (20, 3875277), (21, 3690740), (28, 2768055), (30, 2583518), (35, 2214444), (42, 1845370), (60, 1291759), (70, 1107222), (84, 922685), (105, 738148), (109, 711060), (140, 553611), (210, 369074), (218, 355530), (327, 237020), (420, 184537), (436, 177765), (545, 142212), (654, 118510), (763, 101580), (1090, 71106), (1308, 59255), (1526, 50790), (1635, 47404), (1693, 45780), (2180, 35553), (2289, 33860), (3052, 25395), (3270, 23702), (3386, 22890), (3815, 20316), (4578, 16930), (5079, 15260), (6540, 11851), (6772, 11445), (7630, 10158), (8465, 9156)]