287575680

素因数分解:

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

素因数の和:21426

約数の個数: 128

約数和(自身を含む): 1047646080

約数和(自身を除く): 760070400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 21397, 42794, 64191, 85588, 106985, 128382, 149779, 171176, 213970, 256764, 299558, 320955, 342352, 427940, 449337, 513528, 599116, 641910, 684704, 748895, 855880, 898674, 1027056, 1198232, 1283820, 1369408, 1497790, 1711760, 1797348, 2054112, 2246685, 2396464, 2567640, 2738816, 2995580, 3423520, 3594696, 4108224, 4493370, 4792928, 5135280, 5991160, 6847040, 7189392, 8216448, 8986740, 9585856, 10270560, 11982320, 13694080, 14378784, 17973480, 19171712, 20541120, 23964640, 28757568, 35946960, 41082240, 47929280, 57515136, 71893920, 95858560, 143787840, 287575680]

約数ペア:

[(1, 287575680), (2, 143787840), (3, 95858560), (4, 71893920), (5, 57515136), (6, 47929280), (7, 41082240), (8, 35946960), (10, 28757568), (12, 23964640), (14, 20541120), (15, 19171712), (16, 17973480), (20, 14378784), (21, 13694080), (24, 11982320), (28, 10270560), (30, 9585856), (32, 8986740), (35, 8216448), (40, 7189392), (42, 6847040), (48, 5991160), (56, 5135280), (60, 4792928), (64, 4493370), (70, 4108224), (80, 3594696), (84, 3423520), (96, 2995580), (105, 2738816), (112, 2567640), (120, 2396464), (128, 2246685), (140, 2054112), (160, 1797348), (168, 1711760), (192, 1497790), (210, 1369408), (224, 1283820), (240, 1198232), (280, 1027056), (320, 898674), (336, 855880), (384, 748895), (420, 684704), (448, 641910), (480, 599116), (560, 513528), (640, 449337), (672, 427940), (840, 342352), (896, 320955), (960, 299558), (1120, 256764), (1344, 213970), (1680, 171176), (1920, 149779), (2240, 128382), (2688, 106985), (3360, 85588), (4480, 64191), (6720, 42794), (13440, 21397)]