78394860

素因数分解:

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

素因数の和:280

約数の個数: 144

約数和(自身を含む): 248976000

約数和(自身を除く): 170581140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 79, 90, 111, 148, 149, 158, 180, 185, 222, 237, 298, 316, 333, 370, 395, 444, 447, 474, 555, 596, 666, 711, 740, 745, 790, 894, 948, 1110, 1185, 1332, 1341, 1422, 1490, 1580, 1665, 1788, 2220, 2235, 2370, 2682, 2844, 2923, 2980, 3330, 3555, 4470, 4740, 5364, 5513, 5846, 6660, 6705, 7110, 8769, 8940, 11026, 11692, 11771, 13410, 14220, 14615, 16539, 17538, 22052, 23542, 26307, 26820, 27565, 29230, 33078, 35076, 35313, 43845, 47084, 49617, 52614, 55130, 58460, 58855, 66156, 70626, 82695, 87690, 99234, 105228, 105939, 110260, 117710, 131535, 141252, 165390, 175380, 176565, 198468, 211878, 235420, 248085, 263070, 330780, 353130, 423756, 435527, 496170, 526140, 529695, 706260, 871054, 992340, 1059390, 1306581, 1742108, 2118780, 2177635, 2613162, 3919743, 4355270, 5226324, 6532905, 7839486, 8710540, 13065810, 15678972, 19598715, 26131620, 39197430, 78394860]

約数ペア:

[(1, 78394860), (2, 39197430), (3, 26131620), (4, 19598715), (5, 15678972), (6, 13065810), (9, 8710540), (10, 7839486), (12, 6532905), (15, 5226324), (18, 4355270), (20, 3919743), (30, 2613162), (36, 2177635), (37, 2118780), (45, 1742108), (60, 1306581), (74, 1059390), (79, 992340), (90, 871054), (111, 706260), (148, 529695), (149, 526140), (158, 496170), (180, 435527), (185, 423756), (222, 353130), (237, 330780), (298, 263070), (316, 248085), (333, 235420), (370, 211878), (395, 198468), (444, 176565), (447, 175380), (474, 165390), (555, 141252), (596, 131535), (666, 117710), (711, 110260), (740, 105939), (745, 105228), (790, 99234), (894, 87690), (948, 82695), (1110, 70626), (1185, 66156), (1332, 58855), (1341, 58460), (1422, 55130), (1490, 52614), (1580, 49617), (1665, 47084), (1788, 43845), (2220, 35313), (2235, 35076), (2370, 33078), (2682, 29230), (2844, 27565), (2923, 26820), (2980, 26307), (3330, 23542), (3555, 22052), (4470, 17538), (4740, 16539), (5364, 14615), (5513, 14220), (5846, 13410), (6660, 11771), (6705, 11692), (7110, 11026), (8769, 8940)]