256862880

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1607}}^1$

素因数の和:1668

約数の個数: 192

約数和(自身を含む): 923892480

約数和(自身を除く): 667029600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 96, 108, 111, 120, 135, 144, 148, 160, 180, 185, 216, 222, 240, 270, 288, 296, 333, 360, 370, 432, 444, 480, 540, 555, 592, 666, 720, 740, 864, 888, 999, 1080, 1110, 1184, 1332, 1440, 1480, 1607, 1665, 1776, 1998, 2160, 2220, 2664, 2960, 3214, 3330, 3552, 3996, 4320, 4440, 4821, 4995, 5328, 5920, 6428, 6660, 7992, 8035, 8880, 9642, 9990, 10656, 12856, 13320, 14463, 15984, 16070, 17760, 19284, 19980, 24105, 25712, 26640, 28926, 31968, 32140, 38568, 39960, 43389, 48210, 51424, 53280, 57852, 59459, 64280, 72315, 77136, 79920, 86778, 96420, 115704, 118918, 128560, 144630, 154272, 159840, 173556, 178377, 192840, 216945, 231408, 237836, 257120, 289260, 297295, 347112, 356754, 385680, 433890, 462816, 475672, 535131, 578520, 594590, 694224, 713508, 771360, 867780, 891885, 951344, 1070262, 1157040, 1189180, 1388448, 1427016, 1605393, 1735560, 1783770, 1902688, 2140524, 2314080, 2378360, 2675655, 2854032, 3210786, 3471120, 3567540, 4281048, 4756720, 5351310, 5708064, 6421572, 6942240, 7135080, 8026965, 8562096, 9513440, 10702620, 12843144, 14270160, 16053930, 17124192, 21405240, 25686288, 28540320, 32107860, 42810480, 51372576, 64215720, 85620960, 128431440, 256862880]

約数ペア:

[(1, 256862880), (2, 128431440), (3, 85620960), (4, 64215720), (5, 51372576), (6, 42810480), (8, 32107860), (9, 28540320), (10, 25686288), (12, 21405240), (15, 17124192), (16, 16053930), (18, 14270160), (20, 12843144), (24, 10702620), (27, 9513440), (30, 8562096), (32, 8026965), (36, 7135080), (37, 6942240), (40, 6421572), (45, 5708064), (48, 5351310), (54, 4756720), (60, 4281048), (72, 3567540), (74, 3471120), (80, 3210786), (90, 2854032), (96, 2675655), (108, 2378360), (111, 2314080), (120, 2140524), (135, 1902688), (144, 1783770), (148, 1735560), (160, 1605393), (180, 1427016), (185, 1388448), (216, 1189180), (222, 1157040), (240, 1070262), (270, 951344), (288, 891885), (296, 867780), (333, 771360), (360, 713508), (370, 694224), (432, 594590), (444, 578520), (480, 535131), (540, 475672), (555, 462816), (592, 433890), (666, 385680), (720, 356754), (740, 347112), (864, 297295), (888, 289260), (999, 257120), (1080, 237836), (1110, 231408), (1184, 216945), (1332, 192840), (1440, 178377), (1480, 173556), (1607, 159840), (1665, 154272), (1776, 144630), (1998, 128560), (2160, 118918), (2220, 115704), (2664, 96420), (2960, 86778), (3214, 79920), (3330, 77136), (3552, 72315), (3996, 64280), (4320, 59459), (4440, 57852), (4821, 53280), (4995, 51424), (5328, 48210), (5920, 43389), (6428, 39960), (6660, 38568), (7992, 32140), (8035, 31968), (8880, 28926), (9642, 26640), (9990, 25712), (10656, 24105), (12856, 19980), (13320, 19284), (14463, 17760), (15984, 16070)]