490447440

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:391

約数の個数: 320

約数和(自身を含む): 1952256000

約数和(自身を除く): 1461808560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 163, 168, 180, 189, 199, 210, 216, 240, 252, 270, 280, 315, 326, 336, 360, 378, 398, 420, 432, 489, 504, 540, 560, 597, 630, 652, 720, 756, 796, 815, 840, 945, 978, 995, 1008, 1080, 1141, 1194, 1260, 1304, 1393, 1467, 1512, 1592, 1630, 1680, 1791, 1890, 1956, 1990, 2160, 2282, 2388, 2445, 2520, 2608, 2786, 2934, 2985, 3024, 3184, 3260, 3423, 3582, 3780, 3912, 3980, 4179, 4401, 4564, 4776, 4890, 5040, 5373, 5572, 5705, 5868, 5970, 6520, 6846, 6965, 7164, 7335, 7560, 7824, 7960, 8358, 8802, 8955, 9128, 9552, 9780, 10269, 10746, 11144, 11410, 11736, 11940, 12537, 13040, 13692, 13930, 14328, 14670, 15120, 15920, 16716, 17115, 17604, 17910, 18256, 19560, 20538, 20895, 21492, 22005, 22288, 22820, 23472, 23880, 25074, 26865, 27384, 27860, 28656, 29340, 30807, 32437, 33432, 34230, 35208, 35820, 37611, 39120, 41076, 41790, 42984, 44010, 45640, 47760, 50148, 51345, 53730, 54768, 55720, 58680, 61614, 62685, 64874, 66864, 68460, 70416, 71640, 75222, 82152, 83580, 85968, 88020, 91280, 97311, 100296, 102690, 107460, 111440, 117360, 123228, 125370, 129748, 136920, 143280, 150444, 154035, 162185, 164304, 167160, 176040, 188055, 194622, 200592, 205380, 214920, 227059, 246456, 250740, 259496, 273840, 291933, 300888, 308070, 324370, 334320, 352080, 376110, 389244, 410760, 429840, 454118, 486555, 492912, 501480, 518992, 583866, 601776, 616140, 648740, 681177, 752220, 778488, 821520, 875799, 908236, 973110, 1002960, 1135295, 1167732, 1232280, 1297480, 1362354, 1459665, 1504440, 1556976, 1751598, 1816472, 1946220, 2043531, 2270590, 2335464, 2464560, 2594960, 2724708, 2919330, 3008880, 3405885, 3503196, 3632944, 3892440, 4087062, 4378995, 4541180, 4670928, 5449416, 5838660, 6130593, 6811770, 7006392, 7784880, 8174124, 8757990, 9082360, 10217655, 10898832, 11677320, 12261186, 13623540, 14012784, 16348248, 17515980, 18164720, 20435310, 23354640, 24522372, 27247080, 30652965, 32696496, 35031960, 40870620, 49044744, 54494160, 61305930, 70063920, 81741240, 98089488, 122611860, 163482480, 245223720, 490447440]

約数ペア:

[(1, 490447440), (2, 245223720), (3, 163482480), (4, 122611860), (5, 98089488), (6, 81741240), (7, 70063920), (8, 61305930), (9, 54494160), (10, 49044744), (12, 40870620), (14, 35031960), (15, 32696496), (16, 30652965), (18, 27247080), (20, 24522372), (21, 23354640), (24, 20435310), (27, 18164720), (28, 17515980), (30, 16348248), (35, 14012784), (36, 13623540), (40, 12261186), (42, 11677320), (45, 10898832), (48, 10217655), (54, 9082360), (56, 8757990), (60, 8174124), (63, 7784880), (70, 7006392), (72, 6811770), (80, 6130593), (84, 5838660), (90, 5449416), (105, 4670928), (108, 4541180), (112, 4378995), (120, 4087062), (126, 3892440), (135, 3632944), (140, 3503196), (144, 3405885), (163, 3008880), (168, 2919330), (180, 2724708), (189, 2594960), (199, 2464560), (210, 2335464), (216, 2270590), (240, 2043531), (252, 1946220), (270, 1816472), (280, 1751598), (315, 1556976), (326, 1504440), (336, 1459665), (360, 1362354), (378, 1297480), (398, 1232280), (420, 1167732), (432, 1135295), (489, 1002960), (504, 973110), (540, 908236), (560, 875799), (597, 821520), (630, 778488), (652, 752220), (720, 681177), (756, 648740), (796, 616140), (815, 601776), (840, 583866), (945, 518992), (978, 501480), (995, 492912), (1008, 486555), (1080, 454118), (1141, 429840), (1194, 410760), (1260, 389244), (1304, 376110), (1393, 352080), (1467, 334320), (1512, 324370), (1592, 308070), (1630, 300888), (1680, 291933), (1791, 273840), (1890, 259496), (1956, 250740), (1990, 246456), (2160, 227059), (2282, 214920), (2388, 205380), (2445, 200592), (2520, 194622), (2608, 188055), (2786, 176040), (2934, 167160), (2985, 164304), (3024, 162185), (3184, 154035), (3260, 150444), (3423, 143280), (3582, 136920), (3780, 129748), (3912, 125370), (3980, 123228), (4179, 117360), (4401, 111440), (4564, 107460), (4776, 102690), (4890, 100296), (5040, 97311), (5373, 91280), (5572, 88020), (5705, 85968), (5868, 83580), (5970, 82152), (6520, 75222), (6846, 71640), (6965, 70416), (7164, 68460), (7335, 66864), (7560, 64874), (7824, 62685), (7960, 61614), (8358, 58680), (8802, 55720), (8955, 54768), (9128, 53730), (9552, 51345), (9780, 50148), (10269, 47760), (10746, 45640), (11144, 44010), (11410, 42984), (11736, 41790), (11940, 41076), (12537, 39120), (13040, 37611), (13692, 35820), (13930, 35208), (14328, 34230), (14670, 33432), (15120, 32437), (15920, 30807), (16716, 29340), (17115, 28656), (17604, 27860), (17910, 27384), (18256, 26865), (19560, 25074), (20538, 23880), (20895, 23472), (21492, 22820), (22005, 22288)]