221378400

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:343

約数の個数: 288

約数和(自身を含む): 825259680

約数和(自身を除く): 603881280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 37, 40, 45, 48, 50, 54, 60, 72, 74, 75, 80, 90, 96, 100, 108, 111, 120, 135, 144, 148, 150, 160, 180, 185, 200, 216, 222, 225, 240, 270, 277, 288, 296, 300, 333, 360, 370, 400, 432, 444, 450, 480, 540, 554, 555, 592, 600, 666, 675, 720, 740, 800, 831, 864, 888, 900, 925, 999, 1080, 1108, 1110, 1184, 1200, 1332, 1350, 1385, 1440, 1480, 1662, 1665, 1776, 1800, 1850, 1998, 2160, 2216, 2220, 2400, 2493, 2664, 2700, 2770, 2775, 2960, 3324, 3330, 3552, 3600, 3700, 3996, 4155, 4320, 4432, 4440, 4986, 4995, 5328, 5400, 5540, 5550, 5920, 6648, 6660, 6925, 7200, 7400, 7479, 7992, 8310, 8325, 8864, 8880, 9972, 9990, 10249, 10656, 10800, 11080, 11100, 12465, 13296, 13320, 13850, 14800, 14958, 15984, 16620, 16650, 17760, 19944, 19980, 20498, 20775, 21600, 22160, 22200, 24930, 24975, 26592, 26640, 27700, 29600, 29916, 30747, 31968, 33240, 33300, 37395, 39888, 39960, 40996, 41550, 44320, 44400, 49860, 49950, 51245, 53280, 55400, 59832, 61494, 62325, 66480, 66600, 74790, 79776, 79920, 81992, 83100, 88800, 92241, 99720, 99900, 102490, 110800, 119664, 122988, 124650, 132960, 133200, 149580, 153735, 159840, 163984, 166200, 184482, 186975, 199440, 199800, 204980, 221600, 239328, 245976, 249300, 256225, 266400, 276723, 299160, 307470, 327968, 332400, 368964, 373950, 398880, 399600, 409960, 461205, 491952, 498600, 512450, 553446, 598320, 614940, 664800, 737928, 747900, 768675, 799200, 819920, 922410, 983904, 997200, 1024900, 1106892, 1196640, 1229880, 1383615, 1475856, 1495800, 1537350, 1639840, 1844820, 1994400, 2049800, 2213784, 2306025, 2459760, 2767230, 2951712, 2991600, 3074700, 3689640, 4099600, 4427568, 4612050, 4919520, 5534460, 5983200, 6149400, 6918075, 7379280, 8199200, 8855136, 9224100, 11068920, 12298800, 13836150, 14758560, 18448200, 22137840, 24597600, 27672300, 36896400, 44275680, 55344600, 73792800, 110689200, 221378400]

約数ペア:

[(1, 221378400), (2, 110689200), (3, 73792800), (4, 55344600), (5, 44275680), (6, 36896400), (8, 27672300), (9, 24597600), (10, 22137840), (12, 18448200), (15, 14758560), (16, 13836150), (18, 12298800), (20, 11068920), (24, 9224100), (25, 8855136), (27, 8199200), (30, 7379280), (32, 6918075), (36, 6149400), (37, 5983200), (40, 5534460), (45, 4919520), (48, 4612050), (50, 4427568), (54, 4099600), (60, 3689640), (72, 3074700), (74, 2991600), (75, 2951712), (80, 2767230), (90, 2459760), (96, 2306025), (100, 2213784), (108, 2049800), (111, 1994400), (120, 1844820), (135, 1639840), (144, 1537350), (148, 1495800), (150, 1475856), (160, 1383615), (180, 1229880), (185, 1196640), (200, 1106892), (216, 1024900), (222, 997200), (225, 983904), (240, 922410), (270, 819920), (277, 799200), (288, 768675), (296, 747900), (300, 737928), (333, 664800), (360, 614940), (370, 598320), (400, 553446), (432, 512450), (444, 498600), (450, 491952), (480, 461205), (540, 409960), (554, 399600), (555, 398880), (592, 373950), (600, 368964), (666, 332400), (675, 327968), (720, 307470), (740, 299160), (800, 276723), (831, 266400), (864, 256225), (888, 249300), (900, 245976), (925, 239328), (999, 221600), (1080, 204980), (1108, 199800), (1110, 199440), (1184, 186975), (1200, 184482), (1332, 166200), (1350, 163984), (1385, 159840), (1440, 153735), (1480, 149580), (1662, 133200), (1665, 132960), (1776, 124650), (1800, 122988), (1850, 119664), (1998, 110800), (2160, 102490), (2216, 99900), (2220, 99720), (2400, 92241), (2493, 88800), (2664, 83100), (2700, 81992), (2770, 79920), (2775, 79776), (2960, 74790), (3324, 66600), (3330, 66480), (3552, 62325), (3600, 61494), (3700, 59832), (3996, 55400), (4155, 53280), (4320, 51245), (4432, 49950), (4440, 49860), (4986, 44400), (4995, 44320), (5328, 41550), (5400, 40996), (5540, 39960), (5550, 39888), (5920, 37395), (6648, 33300), (6660, 33240), (6925, 31968), (7200, 30747), (7400, 29916), (7479, 29600), (7992, 27700), (8310, 26640), (8325, 26592), (8864, 24975), (8880, 24930), (9972, 22200), (9990, 22160), (10249, 21600), (10656, 20775), (10800, 20498), (11080, 19980), (11100, 19944), (12465, 17760), (13296, 16650), (13320, 16620), (13850, 15984), (14800, 14958)]