71747160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 227448000

約数和(自身を除く): 155700840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 53, 58, 60, 87, 106, 116, 120, 145, 159, 174, 212, 232, 265, 290, 318, 348, 389, 424, 435, 530, 580, 636, 696, 778, 795, 870, 1060, 1160, 1167, 1272, 1537, 1556, 1590, 1740, 1945, 2120, 2334, 3074, 3112, 3180, 3480, 3890, 4611, 4668, 5835, 6148, 6360, 7685, 7780, 9222, 9336, 11281, 11670, 12296, 15370, 15560, 18444, 20617, 22562, 23055, 23340, 30740, 33843, 36888, 41234, 45124, 46110, 46680, 56405, 61480, 61851, 67686, 82468, 90248, 92220, 103085, 112810, 123702, 135372, 164936, 169215, 184440, 206170, 225620, 247404, 270744, 309255, 338430, 412340, 451240, 494808, 597893, 618510, 676860, 824680, 1195786, 1237020, 1353720, 1793679, 2391572, 2474040, 2989465, 3587358, 4783144, 5978930, 7174716, 8968395, 11957860, 14349432, 17936790, 23915720, 35873580, 71747160]

約数ペア:

[(1, 71747160), (2, 35873580), (3, 23915720), (4, 17936790), (5, 14349432), (6, 11957860), (8, 8968395), (10, 7174716), (12, 5978930), (15, 4783144), (20, 3587358), (24, 2989465), (29, 2474040), (30, 2391572), (40, 1793679), (53, 1353720), (58, 1237020), (60, 1195786), (87, 824680), (106, 676860), (116, 618510), (120, 597893), (145, 494808), (159, 451240), (174, 412340), (212, 338430), (232, 309255), (265, 270744), (290, 247404), (318, 225620), (348, 206170), (389, 184440), (424, 169215), (435, 164936), (530, 135372), (580, 123702), (636, 112810), (696, 103085), (778, 92220), (795, 90248), (870, 82468), (1060, 67686), (1160, 61851), (1167, 61480), (1272, 56405), (1537, 46680), (1556, 46110), (1590, 45124), (1740, 41234), (1945, 36888), (2120, 33843), (2334, 30740), (3074, 23340), (3112, 23055), (3180, 22562), (3480, 20617), (3890, 18444), (4611, 15560), (4668, 15370), (5835, 12296), (6148, 11670), (6360, 11281), (7685, 9336), (7780, 9222)]