68237820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1747}}^1$

素因数の和:1800

約数の個数: 144

約数和(自身を含む): 244328448

約数和(自身を除く): 176090628

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1747, 1860, 1953, 2170, 2604, 2790, 3255, 3494, 3906, 4340, 5241, 5580, 6510, 6988, 7812, 8735, 9765, 10482, 12229, 13020, 15723, 17470, 19530, 20964, 24458, 26205, 31446, 34940, 36687, 39060, 48916, 52410, 54157, 61145, 62892, 73374, 78615, 104820, 108314, 110061, 122290, 146748, 157230, 162471, 183435, 216628, 220122, 244580, 270785, 314460, 324942, 366870, 379099, 440244, 487413, 541570, 550305, 649884, 733740, 758198, 812355, 974826, 1083140, 1100610, 1137297, 1516396, 1624710, 1895495, 1949652, 2201220, 2274594, 2437065, 3249420, 3411891, 3790990, 4549188, 4874130, 5686485, 6823782, 7581980, 9748260, 11372970, 13647564, 17059455, 22745940, 34118910, 68237820]

約数ペア:

[(1, 68237820), (2, 34118910), (3, 22745940), (4, 17059455), (5, 13647564), (6, 11372970), (7, 9748260), (9, 7581980), (10, 6823782), (12, 5686485), (14, 4874130), (15, 4549188), (18, 3790990), (20, 3411891), (21, 3249420), (28, 2437065), (30, 2274594), (31, 2201220), (35, 1949652), (36, 1895495), (42, 1624710), (45, 1516396), (60, 1137297), (62, 1100610), (63, 1083140), (70, 974826), (84, 812355), (90, 758198), (93, 733740), (105, 649884), (124, 550305), (126, 541570), (140, 487413), (155, 440244), (180, 379099), (186, 366870), (210, 324942), (217, 314460), (252, 270785), (279, 244580), (310, 220122), (315, 216628), (372, 183435), (420, 162471), (434, 157230), (465, 146748), (558, 122290), (620, 110061), (630, 108314), (651, 104820), (868, 78615), (930, 73374), (1085, 62892), (1116, 61145), (1260, 54157), (1302, 52410), (1395, 48916), (1747, 39060), (1860, 36687), (1953, 34940), (2170, 31446), (2604, 26205), (2790, 24458), (3255, 20964), (3494, 19530), (3906, 17470), (4340, 15723), (5241, 13020), (5580, 12229), (6510, 10482), (6988, 9765), (7812, 8735)]