217556640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:332

約数の個数: 288

約数和(自身を含む): 860461056

約数和(自身を除く): 642904416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 113, 120, 126, 140, 144, 160, 168, 180, 191, 210, 224, 226, 240, 252, 280, 288, 315, 336, 339, 360, 382, 420, 452, 480, 504, 560, 565, 573, 630, 672, 678, 720, 764, 791, 840, 904, 955, 1008, 1017, 1120, 1130, 1146, 1260, 1337, 1356, 1440, 1528, 1582, 1680, 1695, 1719, 1808, 1910, 2016, 2034, 2260, 2292, 2373, 2520, 2674, 2712, 2865, 3056, 3164, 3360, 3390, 3438, 3616, 3820, 3955, 4011, 4068, 4520, 4584, 4746, 5040, 5085, 5348, 5424, 5730, 6112, 6328, 6685, 6780, 6876, 7119, 7640, 7910, 8022, 8136, 8595, 9040, 9168, 9492, 10080, 10170, 10696, 10848, 11460, 11865, 12033, 12656, 13370, 13560, 13752, 14238, 15280, 15820, 16044, 16272, 17190, 18080, 18336, 18984, 20055, 20340, 21392, 21583, 22920, 23730, 24066, 25312, 26740, 27120, 27504, 28476, 30560, 31640, 32088, 32544, 34380, 35595, 37968, 40110, 40680, 42784, 43166, 45840, 47460, 48132, 53480, 54240, 55008, 56952, 60165, 63280, 64176, 64749, 68760, 71190, 75936, 80220, 81360, 86332, 91680, 94920, 96264, 106960, 107915, 113904, 120330, 126560, 128352, 129498, 137520, 142380, 151081, 160440, 162720, 172664, 189840, 192528, 194247, 213920, 215830, 227808, 240660, 258996, 275040, 284760, 302162, 320880, 323745, 345328, 379680, 385056, 388494, 431660, 453243, 481320, 517992, 569520, 604324, 641760, 647490, 690656, 755405, 776988, 863320, 906486, 962640, 971235, 1035984, 1139040, 1208648, 1294980, 1359729, 1510810, 1553976, 1726640, 1812972, 1925280, 1942470, 2071968, 2266215, 2417296, 2589960, 2719458, 3021620, 3107952, 3453280, 3625944, 3884940, 4532430, 4834592, 5179920, 5438916, 6043240, 6215904, 6798645, 7251888, 7769880, 9064860, 10359840, 10877832, 12086480, 13597290, 14503776, 15539760, 18129720, 21755664, 24172960, 27194580, 31079520, 36259440, 43511328, 54389160, 72518880, 108778320, 217556640]

約数ペア:

[(1, 217556640), (2, 108778320), (3, 72518880), (4, 54389160), (5, 43511328), (6, 36259440), (7, 31079520), (8, 27194580), (9, 24172960), (10, 21755664), (12, 18129720), (14, 15539760), (15, 14503776), (16, 13597290), (18, 12086480), (20, 10877832), (21, 10359840), (24, 9064860), (28, 7769880), (30, 7251888), (32, 6798645), (35, 6215904), (36, 6043240), (40, 5438916), (42, 5179920), (45, 4834592), (48, 4532430), (56, 3884940), (60, 3625944), (63, 3453280), (70, 3107952), (72, 3021620), (80, 2719458), (84, 2589960), (90, 2417296), (96, 2266215), (105, 2071968), (112, 1942470), (113, 1925280), (120, 1812972), (126, 1726640), (140, 1553976), (144, 1510810), (160, 1359729), (168, 1294980), (180, 1208648), (191, 1139040), (210, 1035984), (224, 971235), (226, 962640), (240, 906486), (252, 863320), (280, 776988), (288, 755405), (315, 690656), (336, 647490), (339, 641760), (360, 604324), (382, 569520), (420, 517992), (452, 481320), (480, 453243), (504, 431660), (560, 388494), (565, 385056), (573, 379680), (630, 345328), (672, 323745), (678, 320880), (720, 302162), (764, 284760), (791, 275040), (840, 258996), (904, 240660), (955, 227808), (1008, 215830), (1017, 213920), (1120, 194247), (1130, 192528), (1146, 189840), (1260, 172664), (1337, 162720), (1356, 160440), (1440, 151081), (1528, 142380), (1582, 137520), (1680, 129498), (1695, 128352), (1719, 126560), (1808, 120330), (1910, 113904), (2016, 107915), (2034, 106960), (2260, 96264), (2292, 94920), (2373, 91680), (2520, 86332), (2674, 81360), (2712, 80220), (2865, 75936), (3056, 71190), (3164, 68760), (3360, 64749), (3390, 64176), (3438, 63280), (3616, 60165), (3820, 56952), (3955, 55008), (4011, 54240), (4068, 53480), (4520, 48132), (4584, 47460), (4746, 45840), (5040, 43166), (5085, 42784), (5348, 40680), (5424, 40110), (5730, 37968), (6112, 35595), (6328, 34380), (6685, 32544), (6780, 32088), (6876, 31640), (7119, 30560), (7640, 28476), (7910, 27504), (8022, 27120), (8136, 26740), (8595, 25312), (9040, 24066), (9168, 23730), (9492, 22920), (10080, 21583), (10170, 21392), (10696, 20340), (10848, 20055), (11460, 18984), (11865, 18336), (12033, 18080), (12656, 17190), (13370, 16272), (13560, 16044), (13752, 15820), (14238, 15280)]