216600720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4159}}^1$

素因数の和:4213

約数の個数: 160

約数和(自身を含む): 792330240

約数和(自身を除く): 575729520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 4159, 4340, 5208, 6510, 7440, 8318, 8680, 10416, 12477, 13020, 16636, 17360, 20795, 24954, 26040, 29113, 33272, 41590, 49908, 52080, 58226, 62385, 66544, 83180, 87339, 99816, 116452, 124770, 128929, 145565, 166360, 174678, 199632, 232904, 249540, 257858, 291130, 332720, 349356, 386787, 436695, 465808, 499080, 515716, 582260, 644645, 698712, 773574, 873390, 902503, 998160, 1031432, 1164520, 1289290, 1397424, 1547148, 1746780, 1805006, 1933935, 2062864, 2329040, 2578580, 2707509, 3094296, 3493560, 3610012, 3867870, 4512515, 5157160, 5415018, 6188592, 6987120, 7220024, 7735740, 9025030, 10314320, 10830036, 13537545, 14440048, 15471480, 18050060, 21660072, 27075090, 30942960, 36100120, 43320144, 54150180, 72200240, 108300360, 216600720]

約数ペア:

[(1, 216600720), (2, 108300360), (3, 72200240), (4, 54150180), (5, 43320144), (6, 36100120), (7, 30942960), (8, 27075090), (10, 21660072), (12, 18050060), (14, 15471480), (15, 14440048), (16, 13537545), (20, 10830036), (21, 10314320), (24, 9025030), (28, 7735740), (30, 7220024), (31, 6987120), (35, 6188592), (40, 5415018), (42, 5157160), (48, 4512515), (56, 3867870), (60, 3610012), (62, 3493560), (70, 3094296), (80, 2707509), (84, 2578580), (93, 2329040), (105, 2062864), (112, 1933935), (120, 1805006), (124, 1746780), (140, 1547148), (155, 1397424), (168, 1289290), (186, 1164520), (210, 1031432), (217, 998160), (240, 902503), (248, 873390), (280, 773574), (310, 698712), (336, 644645), (372, 582260), (420, 515716), (434, 499080), (465, 465808), (496, 436695), (560, 386787), (620, 349356), (651, 332720), (744, 291130), (840, 257858), (868, 249540), (930, 232904), (1085, 199632), (1240, 174678), (1302, 166360), (1488, 145565), (1680, 128929), (1736, 124770), (1860, 116452), (2170, 99816), (2480, 87339), (2604, 83180), (3255, 66544), (3472, 62385), (3720, 58226), (4159, 52080), (4340, 49908), (5208, 41590), (6510, 33272), (7440, 29113), (8318, 26040), (8680, 24954), (10416, 20795), (12477, 17360), (13020, 16636)]