689678280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3209}}^1$

素因数の和:3428

約数の個数: 128

約数和(自身を含む): 2311200000

約数和(自身を除く): 1621521720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 199, 216, 270, 360, 398, 540, 597, 796, 995, 1080, 1194, 1592, 1791, 1990, 2388, 2985, 3209, 3582, 3980, 4776, 5373, 5970, 6418, 7164, 7960, 8955, 9627, 10746, 11940, 12836, 14328, 16045, 17910, 19254, 21492, 23880, 25672, 26865, 28881, 32090, 35820, 38508, 42984, 48135, 53730, 57762, 64180, 71640, 77016, 86643, 96270, 107460, 115524, 128360, 144405, 173286, 192540, 214920, 231048, 288810, 346572, 385080, 433215, 577620, 638591, 693144, 866430, 1155240, 1277182, 1732860, 1915773, 2554364, 3192955, 3465720, 3831546, 5108728, 5747319, 6385910, 7663092, 9578865, 11494638, 12771820, 15326184, 17241957, 19157730, 22989276, 25543640, 28736595, 34483914, 38315460, 45978552, 57473190, 68967828, 76630920, 86209785, 114946380, 137935656, 172419570, 229892760, 344839140, 689678280]

約数ペア:

[(1, 689678280), (2, 344839140), (3, 229892760), (4, 172419570), (5, 137935656), (6, 114946380), (8, 86209785), (9, 76630920), (10, 68967828), (12, 57473190), (15, 45978552), (18, 38315460), (20, 34483914), (24, 28736595), (27, 25543640), (30, 22989276), (36, 19157730), (40, 17241957), (45, 15326184), (54, 12771820), (60, 11494638), (72, 9578865), (90, 7663092), (108, 6385910), (120, 5747319), (135, 5108728), (180, 3831546), (199, 3465720), (216, 3192955), (270, 2554364), (360, 1915773), (398, 1732860), (540, 1277182), (597, 1155240), (796, 866430), (995, 693144), (1080, 638591), (1194, 577620), (1592, 433215), (1791, 385080), (1990, 346572), (2388, 288810), (2985, 231048), (3209, 214920), (3582, 192540), (3980, 173286), (4776, 144405), (5373, 128360), (5970, 115524), (6418, 107460), (7164, 96270), (7960, 86643), (8955, 77016), (9627, 71640), (10746, 64180), (11940, 57762), (12836, 53730), (14328, 48135), (16045, 42984), (17910, 38508), (19254, 35820), (21492, 32090), (23880, 28881), (25672, 26865)]