82572420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^2\times {\mathrm{89}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 273006720

約数和(自身を除く): 190434300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 47, 60, 70, 84, 89, 94, 105, 140, 141, 178, 188, 210, 235, 267, 282, 329, 356, 420, 445, 470, 534, 564, 623, 658, 705, 890, 940, 987, 1068, 1246, 1316, 1335, 1410, 1645, 1780, 1869, 1974, 2209, 2492, 2670, 2820, 3115, 3290, 3738, 3948, 4183, 4418, 4935, 5340, 6230, 6580, 6627, 7476, 8366, 8836, 9345, 9870, 11045, 12460, 12549, 13254, 15463, 16732, 18690, 19740, 20915, 22090, 25098, 26508, 29281, 30926, 33135, 37380, 41830, 44180, 46389, 50196, 58562, 61852, 62745, 66270, 77315, 83660, 87843, 92778, 117124, 125490, 132540, 146405, 154630, 175686, 185556, 196601, 231945, 250980, 292810, 309260, 351372, 393202, 439215, 463890, 585620, 589803, 786404, 878430, 927780, 983005, 1179606, 1376207, 1756860, 1966010, 2359212, 2752414, 2949015, 3932020, 4128621, 5504828, 5898030, 6881035, 8257242, 11796060, 13762070, 16514484, 20643105, 27524140, 41286210, 82572420]

約数ペア:

[(1, 82572420), (2, 41286210), (3, 27524140), (4, 20643105), (5, 16514484), (6, 13762070), (7, 11796060), (10, 8257242), (12, 6881035), (14, 5898030), (15, 5504828), (20, 4128621), (21, 3932020), (28, 2949015), (30, 2752414), (35, 2359212), (42, 1966010), (47, 1756860), (60, 1376207), (70, 1179606), (84, 983005), (89, 927780), (94, 878430), (105, 786404), (140, 589803), (141, 585620), (178, 463890), (188, 439215), (210, 393202), (235, 351372), (267, 309260), (282, 292810), (329, 250980), (356, 231945), (420, 196601), (445, 185556), (470, 175686), (534, 154630), (564, 146405), (623, 132540), (658, 125490), (705, 117124), (890, 92778), (940, 87843), (987, 83660), (1068, 77315), (1246, 66270), (1316, 62745), (1335, 61852), (1410, 58562), (1645, 50196), (1780, 46389), (1869, 44180), (1974, 41830), (2209, 37380), (2492, 33135), (2670, 30926), (2820, 29281), (3115, 26508), (3290, 25098), (3738, 22090), (3948, 20915), (4183, 19740), (4418, 18690), (4935, 16732), (5340, 15463), (6230, 13254), (6580, 12549), (6627, 12460), (7476, 11045), (8366, 9870), (8836, 9345)]