89325880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:341

約数の個数: 128

約数和(自身を含む): 243855360

約数和(自身を除く): 154529480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 41, 56, 62, 70, 82, 124, 140, 155, 164, 205, 217, 248, 251, 280, 287, 310, 328, 410, 434, 502, 574, 620, 820, 868, 1004, 1085, 1148, 1240, 1255, 1271, 1435, 1640, 1736, 1757, 2008, 2170, 2296, 2510, 2542, 2870, 3514, 4340, 5020, 5084, 5740, 6355, 7028, 7781, 8680, 8785, 8897, 10040, 10168, 10291, 11480, 12710, 14056, 15562, 17570, 17794, 20582, 25420, 31124, 35140, 35588, 38905, 41164, 44485, 50840, 51455, 54467, 62248, 70280, 71176, 72037, 77810, 82328, 88970, 102910, 108934, 144074, 155620, 177940, 205820, 217868, 272335, 288148, 311240, 319021, 355880, 360185, 411640, 435736, 544670, 576296, 638042, 720370, 1089340, 1276084, 1440740, 1595105, 2178680, 2233147, 2552168, 2881480, 3190210, 4466294, 6380420, 8932588, 11165735, 12760840, 17865176, 22331470, 44662940, 89325880]

約数ペア:

[(1, 89325880), (2, 44662940), (4, 22331470), (5, 17865176), (7, 12760840), (8, 11165735), (10, 8932588), (14, 6380420), (20, 4466294), (28, 3190210), (31, 2881480), (35, 2552168), (40, 2233147), (41, 2178680), (56, 1595105), (62, 1440740), (70, 1276084), (82, 1089340), (124, 720370), (140, 638042), (155, 576296), (164, 544670), (205, 435736), (217, 411640), (248, 360185), (251, 355880), (280, 319021), (287, 311240), (310, 288148), (328, 272335), (410, 217868), (434, 205820), (502, 177940), (574, 155620), (620, 144074), (820, 108934), (868, 102910), (1004, 88970), (1085, 82328), (1148, 77810), (1240, 72037), (1255, 71176), (1271, 70280), (1435, 62248), (1640, 54467), (1736, 51455), (1757, 50840), (2008, 44485), (2170, 41164), (2296, 38905), (2510, 35588), (2542, 35140), (2870, 31124), (3514, 25420), (4340, 20582), (5020, 17794), (5084, 17570), (5740, 15562), (6355, 14056), (7028, 12710), (7781, 11480), (8680, 10291), (8785, 10168), (8897, 10040)]