81577600

素因数分解:

$2^7\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:127

約数の個数: 192

約数和(自身を含む): 227094840

約数和(自身を除く): 145517240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 37, 40, 50, 52, 53, 64, 65, 74, 80, 100, 104, 106, 128, 130, 148, 160, 185, 200, 208, 212, 260, 265, 296, 320, 325, 370, 400, 416, 424, 481, 520, 530, 592, 640, 650, 689, 740, 800, 832, 848, 925, 962, 1040, 1060, 1184, 1300, 1325, 1378, 1480, 1600, 1664, 1696, 1850, 1924, 1961, 2080, 2120, 2368, 2405, 2600, 2650, 2756, 2960, 3200, 3392, 3445, 3700, 3848, 3922, 4160, 4240, 4736, 4810, 5200, 5300, 5512, 5920, 6784, 6890, 7400, 7696, 7844, 8320, 8480, 9620, 9805, 10400, 10600, 11024, 11840, 12025, 13780, 14800, 15392, 15688, 16960, 17225, 19240, 19610, 20800, 21200, 22048, 23680, 24050, 25493, 27560, 29600, 30784, 31376, 33920, 34450, 38480, 39220, 41600, 42400, 44096, 48100, 49025, 50986, 55120, 59200, 61568, 62752, 68900, 76960, 78440, 84800, 88192, 96200, 98050, 101972, 110240, 118400, 125504, 127465, 137800, 153920, 156880, 169600, 192400, 196100, 203944, 220480, 251008, 254930, 275600, 307840, 313760, 384800, 392200, 407888, 440960, 509860, 551200, 627520, 637325, 769600, 784400, 815776, 1019720, 1102400, 1255040, 1274650, 1539200, 1568800, 1631552, 2039440, 2204800, 2549300, 3137600, 3263104, 4078880, 5098600, 6275200, 8157760, 10197200, 16315520, 20394400, 40788800, 81577600]

約数ペア:

[(1, 81577600), (2, 40788800), (4, 20394400), (5, 16315520), (8, 10197200), (10, 8157760), (13, 6275200), (16, 5098600), (20, 4078880), (25, 3263104), (26, 3137600), (32, 2549300), (37, 2204800), (40, 2039440), (50, 1631552), (52, 1568800), (53, 1539200), (64, 1274650), (65, 1255040), (74, 1102400), (80, 1019720), (100, 815776), (104, 784400), (106, 769600), (128, 637325), (130, 627520), (148, 551200), (160, 509860), (185, 440960), (200, 407888), (208, 392200), (212, 384800), (260, 313760), (265, 307840), (296, 275600), (320, 254930), (325, 251008), (370, 220480), (400, 203944), (416, 196100), (424, 192400), (481, 169600), (520, 156880), (530, 153920), (592, 137800), (640, 127465), (650, 125504), (689, 118400), (740, 110240), (800, 101972), (832, 98050), (848, 96200), (925, 88192), (962, 84800), (1040, 78440), (1060, 76960), (1184, 68900), (1300, 62752), (1325, 61568), (1378, 59200), (1480, 55120), (1600, 50986), (1664, 49025), (1696, 48100), (1850, 44096), (1924, 42400), (1961, 41600), (2080, 39220), (2120, 38480), (2368, 34450), (2405, 33920), (2600, 31376), (2650, 30784), (2756, 29600), (2960, 27560), (3200, 25493), (3392, 24050), (3445, 23680), (3700, 22048), (3848, 21200), (3922, 20800), (4160, 19610), (4240, 19240), (4736, 17225), (4810, 16960), (5200, 15688), (5300, 15392), (5512, 14800), (5920, 13780), (6784, 12025), (6890, 11840), (7400, 11024), (7696, 10600), (7844, 10400), (8320, 9805), (8480, 9620)]