815985660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{4327}}^1$

素因数の和:4795

約数の個数: 96

約数和(自身を含む): 2617574400

約数和(自身を除く): 1801588740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 449, 898, 1347, 1796, 2245, 2694, 3143, 4327, 4490, 5388, 6286, 6735, 8654, 8980, 9429, 12572, 12981, 13470, 15715, 17308, 18858, 21635, 25962, 26940, 30289, 31430, 37716, 43270, 47145, 51924, 60578, 62860, 64905, 86540, 90867, 94290, 121156, 129810, 151445, 181734, 188580, 259620, 302890, 363468, 454335, 605780, 908670, 1817340, 1942823, 3885646, 5828469, 7771292, 9714115, 11656938, 13599761, 19428230, 23313876, 27199522, 29142345, 38856460, 40799283, 54399044, 58284690, 67998805, 81598566, 116569380, 135997610, 163197132, 203996415, 271995220, 407992830, 815985660]

約数ペア:

[(1, 815985660), (2, 407992830), (3, 271995220), (4, 203996415), (5, 163197132), (6, 135997610), (7, 116569380), (10, 81598566), (12, 67998805), (14, 58284690), (15, 54399044), (20, 40799283), (21, 38856460), (28, 29142345), (30, 27199522), (35, 23313876), (42, 19428230), (60, 13599761), (70, 11656938), (84, 9714115), (105, 7771292), (140, 5828469), (210, 3885646), (420, 1942823), (449, 1817340), (898, 908670), (1347, 605780), (1796, 454335), (2245, 363468), (2694, 302890), (3143, 259620), (4327, 188580), (4490, 181734), (5388, 151445), (6286, 129810), (6735, 121156), (8654, 94290), (8980, 90867), (9429, 86540), (12572, 64905), (12981, 62860), (13470, 60578), (15715, 51924), (17308, 47145), (18858, 43270), (21635, 37716), (25962, 31430), (26940, 30289)]