156789720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:282

約数の個数: 192

約数和(自身を含む): 533520000

約数和(自身を除く): 376730280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 79, 90, 111, 120, 148, 149, 158, 180, 185, 222, 237, 296, 298, 316, 333, 360, 370, 395, 444, 447, 474, 555, 596, 632, 666, 711, 740, 745, 790, 888, 894, 948, 1110, 1185, 1192, 1332, 1341, 1422, 1480, 1490, 1580, 1665, 1788, 1896, 2220, 2235, 2370, 2664, 2682, 2844, 2923, 2980, 3160, 3330, 3555, 3576, 4440, 4470, 4740, 5364, 5513, 5688, 5846, 5960, 6660, 6705, 7110, 8769, 8940, 9480, 10728, 11026, 11692, 11771, 13320, 13410, 14220, 14615, 16539, 17538, 17880, 22052, 23384, 23542, 26307, 26820, 27565, 28440, 29230, 33078, 35076, 35313, 43845, 44104, 47084, 49617, 52614, 53640, 55130, 58460, 58855, 66156, 70152, 70626, 82695, 87690, 94168, 99234, 105228, 105939, 110260, 116920, 117710, 131535, 132312, 141252, 165390, 175380, 176565, 198468, 210456, 211878, 220520, 235420, 248085, 263070, 282504, 330780, 350760, 353130, 396936, 423756, 435527, 470840, 496170, 526140, 529695, 661560, 706260, 847512, 871054, 992340, 1052280, 1059390, 1306581, 1412520, 1742108, 1984680, 2118780, 2177635, 2613162, 3484216, 3919743, 4237560, 4355270, 5226324, 6532905, 7839486, 8710540, 10452648, 13065810, 15678972, 17421080, 19598715, 26131620, 31357944, 39197430, 52263240, 78394860, 156789720]

約数ペア:

[(1, 156789720), (2, 78394860), (3, 52263240), (4, 39197430), (5, 31357944), (6, 26131620), (8, 19598715), (9, 17421080), (10, 15678972), (12, 13065810), (15, 10452648), (18, 8710540), (20, 7839486), (24, 6532905), (30, 5226324), (36, 4355270), (37, 4237560), (40, 3919743), (45, 3484216), (60, 2613162), (72, 2177635), (74, 2118780), (79, 1984680), (90, 1742108), (111, 1412520), (120, 1306581), (148, 1059390), (149, 1052280), (158, 992340), (180, 871054), (185, 847512), (222, 706260), (237, 661560), (296, 529695), (298, 526140), (316, 496170), (333, 470840), (360, 435527), (370, 423756), (395, 396936), (444, 353130), (447, 350760), (474, 330780), (555, 282504), (596, 263070), (632, 248085), (666, 235420), (711, 220520), (740, 211878), (745, 210456), (790, 198468), (888, 176565), (894, 175380), (948, 165390), (1110, 141252), (1185, 132312), (1192, 131535), (1332, 117710), (1341, 116920), (1422, 110260), (1480, 105939), (1490, 105228), (1580, 99234), (1665, 94168), (1788, 87690), (1896, 82695), (2220, 70626), (2235, 70152), (2370, 66156), (2664, 58855), (2682, 58460), (2844, 55130), (2923, 53640), (2980, 52614), (3160, 49617), (3330, 47084), (3555, 44104), (3576, 43845), (4440, 35313), (4470, 35076), (4740, 33078), (5364, 29230), (5513, 28440), (5688, 27565), (5846, 26820), (5960, 26307), (6660, 23542), (6705, 23384), (7110, 22052), (8769, 17880), (8940, 17538), (9480, 16539), (10728, 14615), (11026, 14220), (11692, 13410), (11771, 13320)]