215681760

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21397}}^1$

素因数の和:21425

約数の個数: 144

約数和(自身を含む): 841198176

約数和(自身を除く): 625516416

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, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 21397, 42794, 64191, 85588, 106985, 128382, 149779, 171176, 192573, 213970, 256764, 299558, 320955, 342352, 385146, 427940, 449337, 513528, 599116, 641910, 684704, 748895, 770292, 855880, 898674, 962865, 1027056, 1198232, 1283820, 1348011, 1497790, 1540584, 1711760, 1797348, 1925730, 2054112, 2246685, 2396464, 2567640, 2696022, 2995580, 3081168, 3423520, 3594696, 3851460, 4493370, 4792928, 5135280, 5392044, 5991160, 6162336, 6740055, 7189392, 7702920, 8986740, 10270560, 10784088, 11982320, 13480110, 14378784, 15405840, 17973480, 21568176, 23964640, 26960220, 30811680, 35946960, 43136352, 53920440, 71893920, 107840880, 215681760]

約数ペア:

[(1, 215681760), (2, 107840880), (3, 71893920), (4, 53920440), (5, 43136352), (6, 35946960), (7, 30811680), (8, 26960220), (9, 23964640), (10, 21568176), (12, 17973480), (14, 15405840), (15, 14378784), (16, 13480110), (18, 11982320), (20, 10784088), (21, 10270560), (24, 8986740), (28, 7702920), (30, 7189392), (32, 6740055), (35, 6162336), (36, 5991160), (40, 5392044), (42, 5135280), (45, 4792928), (48, 4493370), (56, 3851460), (60, 3594696), (63, 3423520), (70, 3081168), (72, 2995580), (80, 2696022), (84, 2567640), (90, 2396464), (96, 2246685), (105, 2054112), (112, 1925730), (120, 1797348), (126, 1711760), (140, 1540584), (144, 1497790), (160, 1348011), (168, 1283820), (180, 1198232), (210, 1027056), (224, 962865), (240, 898674), (252, 855880), (280, 770292), (288, 748895), (315, 684704), (336, 641910), (360, 599116), (420, 513528), (480, 449337), (504, 427940), (560, 385146), (630, 342352), (672, 320955), (720, 299558), (840, 256764), (1008, 213970), (1120, 192573), (1260, 171176), (1440, 149779), (1680, 128382), (2016, 106985), (2520, 85588), (3360, 64191), (5040, 42794), (10080, 21397)]