42870520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:509

約数の個数: 128

約数和(自身を含む): 124416000

約数和(自身を除く): 81545480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 449, 616, 620, 682, 770, 868, 898, 1085, 1240, 1364, 1540, 1705, 1736, 1796, 2170, 2245, 2387, 2728, 3080, 3143, 3410, 3592, 4340, 4490, 4774, 4939, 6286, 6820, 8680, 8980, 9548, 9878, 11935, 12572, 13640, 13919, 15715, 17960, 19096, 19756, 23870, 24695, 25144, 27838, 31430, 34573, 39512, 47740, 49390, 55676, 62860, 69146, 69595, 95480, 97433, 98780, 111352, 125720, 138292, 139190, 153109, 172865, 194866, 197560, 276584, 278380, 306218, 345730, 389732, 487165, 556760, 612436, 691460, 765545, 779464, 974330, 1071763, 1224872, 1382920, 1531090, 1948660, 2143526, 3062180, 3897320, 4287052, 5358815, 6124360, 8574104, 10717630, 21435260, 42870520]

約数ペア:

[(1, 42870520), (2, 21435260), (4, 10717630), (5, 8574104), (7, 6124360), (8, 5358815), (10, 4287052), (11, 3897320), (14, 3062180), (20, 2143526), (22, 1948660), (28, 1531090), (31, 1382920), (35, 1224872), (40, 1071763), (44, 974330), (55, 779464), (56, 765545), (62, 691460), (70, 612436), (77, 556760), (88, 487165), (110, 389732), (124, 345730), (140, 306218), (154, 278380), (155, 276584), (217, 197560), (220, 194866), (248, 172865), (280, 153109), (308, 139190), (310, 138292), (341, 125720), (385, 111352), (434, 98780), (440, 97433), (449, 95480), (616, 69595), (620, 69146), (682, 62860), (770, 55676), (868, 49390), (898, 47740), (1085, 39512), (1240, 34573), (1364, 31430), (1540, 27838), (1705, 25144), (1736, 24695), (1796, 23870), (2170, 19756), (2245, 19096), (2387, 17960), (2728, 15715), (3080, 13919), (3143, 13640), (3410, 12572), (3592, 11935), (4340, 9878), (4490, 9548), (4774, 8980), (4939, 8680), (6286, 6820)]