511686720

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1039}}^1$

素因数の和:1087

約数の個数: 280

約数和(自身を含む): 1917801600

約数和(自身を除く): 1406114880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 324, 342, 360, 380, 405, 432, 456, 480, 513, 540, 570, 576, 608, 648, 684, 720, 760, 810, 855, 864, 912, 960, 1026, 1039, 1080, 1140, 1216, 1296, 1368, 1440, 1520, 1539, 1620, 1710, 1728, 1824, 2052, 2078, 2160, 2280, 2565, 2592, 2736, 2880, 3040, 3078, 3117, 3240, 3420, 3648, 4104, 4156, 4320, 4560, 5130, 5184, 5195, 5472, 6080, 6156, 6234, 6480, 6840, 7695, 8208, 8312, 8640, 9120, 9351, 10260, 10390, 10944, 12312, 12468, 12960, 13680, 15390, 15585, 16416, 16624, 18240, 18702, 19741, 20520, 20780, 24624, 24936, 25920, 27360, 28053, 30780, 31170, 32832, 33248, 37404, 39482, 41040, 41560, 46755, 49248, 49872, 54720, 56106, 59223, 61560, 62340, 66496, 74808, 78964, 82080, 83120, 84159, 93510, 98496, 98705, 99744, 112212, 118446, 123120, 124680, 140265, 149616, 157928, 164160, 166240, 168318, 177669, 187020, 197410, 199488, 224424, 236892, 246240, 249360, 280530, 296115, 299232, 315856, 332480, 336636, 355338, 374040, 394820, 420795, 448848, 473784, 492480, 498720, 533007, 561060, 592230, 598464, 631712, 673272, 710676, 748080, 789640, 841590, 888345, 897696, 947568, 997440, 1066014, 1122120, 1184460, 1263424, 1346544, 1421352, 1496160, 1579280, 1599021, 1683180, 1776690, 1795392, 1895136, 2132028, 2244240, 2368920, 2665035, 2693088, 2842704, 2992320, 3158560, 3198042, 3366360, 3553380, 3790272, 4264056, 4488480, 4737840, 5330070, 5386176, 5685408, 6317120, 6396084, 6732720, 7106760, 7995105, 8528112, 8976960, 9475680, 10660140, 11370816, 12792168, 13465440, 14213520, 15990210, 17056224, 18951360, 21320280, 25584336, 26930880, 28427040, 31980420, 34112448, 42640560, 51168672, 56854080, 63960840, 85281120, 102337344, 127921680, 170562240, 255843360, 511686720]

約数ペア:

[(1, 511686720), (2, 255843360), (3, 170562240), (4, 127921680), (5, 102337344), (6, 85281120), (8, 63960840), (9, 56854080), (10, 51168672), (12, 42640560), (15, 34112448), (16, 31980420), (18, 28427040), (19, 26930880), (20, 25584336), (24, 21320280), (27, 18951360), (30, 17056224), (32, 15990210), (36, 14213520), (38, 13465440), (40, 12792168), (45, 11370816), (48, 10660140), (54, 9475680), (57, 8976960), (60, 8528112), (64, 7995105), (72, 7106760), (76, 6732720), (80, 6396084), (81, 6317120), (90, 5685408), (95, 5386176), (96, 5330070), (108, 4737840), (114, 4488480), (120, 4264056), (135, 3790272), (144, 3553380), (152, 3366360), (160, 3198042), (162, 3158560), (171, 2992320), (180, 2842704), (190, 2693088), (192, 2665035), (216, 2368920), (228, 2244240), (240, 2132028), (270, 1895136), (285, 1795392), (288, 1776690), (304, 1683180), (320, 1599021), (324, 1579280), (342, 1496160), (360, 1421352), (380, 1346544), (405, 1263424), (432, 1184460), (456, 1122120), (480, 1066014), (513, 997440), (540, 947568), (570, 897696), (576, 888345), (608, 841590), (648, 789640), (684, 748080), (720, 710676), (760, 673272), (810, 631712), (855, 598464), (864, 592230), (912, 561060), (960, 533007), (1026, 498720), (1039, 492480), (1080, 473784), (1140, 448848), (1216, 420795), (1296, 394820), (1368, 374040), (1440, 355338), (1520, 336636), (1539, 332480), (1620, 315856), (1710, 299232), (1728, 296115), (1824, 280530), (2052, 249360), (2078, 246240), (2160, 236892), (2280, 224424), (2565, 199488), (2592, 197410), (2736, 187020), (2880, 177669), (3040, 168318), (3078, 166240), (3117, 164160), (3240, 157928), (3420, 149616), (3648, 140265), (4104, 124680), (4156, 123120), (4320, 118446), (4560, 112212), (5130, 99744), (5184, 98705), (5195, 98496), (5472, 93510), (6080, 84159), (6156, 83120), (6234, 82080), (6480, 78964), (6840, 74808), (7695, 66496), (8208, 62340), (8312, 61560), (8640, 59223), (9120, 56106), (9351, 54720), (10260, 49872), (10390, 49248), (10944, 46755), (12312, 41560), (12468, 41040), (12960, 39482), (13680, 37404), (15390, 33248), (15585, 32832), (16416, 31170), (16624, 30780), (18240, 28053), (18702, 27360), (19741, 25920), (20520, 24936), (20780, 24624)]