489439440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{13873}}^1$

素因数の和:13906

約数の個数: 180

約数和(自身を含む): 1912197924

約数和(自身を除く): 1422758484

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 8820, 11760, 13873, 17640, 27746, 35280, 41619, 55492, 69365, 83238, 97111, 110984, 124857, 138730, 166476, 194222, 208095, 221968, 249714, 277460, 291333, 332952, 388444, 416190, 485555, 499428, 554920, 582666, 624285, 665904, 679777, 776888, 832380, 873999, 971110, 998856, 1109840, 1165332, 1248570, 1359554, 1456665, 1553776, 1664760, 1747998, 1942220, 1997712, 2039331, 2330664, 2497140, 2719108, 2913330, 3329520, 3398885, 3495996, 3884440, 4078662, 4369995, 4661328, 4994280, 5438216, 5826660, 6117993, 6797770, 6991992, 7768880, 8157324, 8739990, 9988560, 10196655, 10876432, 11653320, 12235986, 13595540, 13983984, 16314648, 17479980, 20393310, 23306640, 24471972, 27191080, 30589965, 32629296, 34959960, 40786620, 48943944, 54382160, 61179930, 69919920, 81573240, 97887888, 122359860, 163146480, 244719720, 489439440]

約数ペア:

[(1, 489439440), (2, 244719720), (3, 163146480), (4, 122359860), (5, 97887888), (6, 81573240), (7, 69919920), (8, 61179930), (9, 54382160), (10, 48943944), (12, 40786620), (14, 34959960), (15, 32629296), (16, 30589965), (18, 27191080), (20, 24471972), (21, 23306640), (24, 20393310), (28, 17479980), (30, 16314648), (35, 13983984), (36, 13595540), (40, 12235986), (42, 11653320), (45, 10876432), (48, 10196655), (49, 9988560), (56, 8739990), (60, 8157324), (63, 7768880), (70, 6991992), (72, 6797770), (80, 6117993), (84, 5826660), (90, 5438216), (98, 4994280), (105, 4661328), (112, 4369995), (120, 4078662), (126, 3884440), (140, 3495996), (144, 3398885), (147, 3329520), (168, 2913330), (180, 2719108), (196, 2497140), (210, 2330664), (240, 2039331), (245, 1997712), (252, 1942220), (280, 1747998), (294, 1664760), (315, 1553776), (336, 1456665), (360, 1359554), (392, 1248570), (420, 1165332), (441, 1109840), (490, 998856), (504, 971110), (560, 873999), (588, 832380), (630, 776888), (720, 679777), (735, 665904), (784, 624285), (840, 582666), (882, 554920), (980, 499428), (1008, 485555), (1176, 416190), (1260, 388444), (1470, 332952), (1680, 291333), (1764, 277460), (1960, 249714), (2205, 221968), (2352, 208095), (2520, 194222), (2940, 166476), (3528, 138730), (3920, 124857), (4410, 110984), (5040, 97111), (5880, 83238), (7056, 69365), (8820, 55492), (11760, 41619), (13873, 35280), (17640, 27746)]