79745640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:172

約数の個数: 256

約数和(自身を含む): 284497920

約数和(自身を除く): 204752280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 20, 24, 26, 30, 31, 34, 39, 40, 51, 52, 60, 62, 65, 68, 78, 85, 93, 97, 102, 104, 120, 124, 130, 136, 155, 156, 170, 186, 194, 195, 204, 221, 248, 255, 260, 291, 310, 312, 340, 372, 388, 390, 403, 408, 442, 465, 485, 510, 520, 527, 582, 620, 663, 680, 744, 776, 780, 806, 884, 930, 970, 1020, 1054, 1105, 1164, 1209, 1240, 1261, 1326, 1455, 1560, 1581, 1612, 1649, 1768, 1860, 1940, 2015, 2040, 2108, 2210, 2328, 2418, 2522, 2635, 2652, 2910, 3007, 3162, 3224, 3298, 3315, 3720, 3783, 3880, 4030, 4216, 4420, 4836, 4947, 5044, 5270, 5304, 5820, 6014, 6045, 6305, 6324, 6596, 6630, 6851, 7566, 7905, 8060, 8245, 8840, 9021, 9672, 9894, 10088, 10540, 11640, 12028, 12090, 12610, 12648, 13192, 13260, 13702, 15035, 15132, 15810, 16120, 16490, 18042, 18915, 19788, 20553, 21080, 21437, 24056, 24180, 24735, 25220, 26520, 27404, 30070, 30264, 31620, 32980, 34255, 36084, 37830, 39091, 39576, 41106, 42874, 45105, 48360, 49470, 50440, 51119, 54808, 60140, 63240, 64311, 65960, 68510, 72168, 75660, 78182, 82212, 85748, 90210, 98940, 102238, 102765, 107185, 117273, 120280, 128622, 137020, 151320, 153357, 156364, 164424, 171496, 180420, 195455, 197880, 204476, 205530, 214370, 234546, 255595, 257244, 274040, 306714, 312728, 321555, 360840, 390910, 408952, 411060, 428740, 469092, 511190, 514488, 586365, 613428, 643110, 664547, 766785, 781820, 822120, 857480, 938184, 1022380, 1172730, 1226856, 1286220, 1329094, 1533570, 1563640, 1993641, 2044760, 2345460, 2572440, 2658188, 3067140, 3322735, 3987282, 4690920, 5316376, 6134280, 6645470, 7974564, 9968205, 13290940, 15949128, 19936410, 26581880, 39872820, 79745640]

約数ペア:

[(1, 79745640), (2, 39872820), (3, 26581880), (4, 19936410), (5, 15949128), (6, 13290940), (8, 9968205), (10, 7974564), (12, 6645470), (13, 6134280), (15, 5316376), (17, 4690920), (20, 3987282), (24, 3322735), (26, 3067140), (30, 2658188), (31, 2572440), (34, 2345460), (39, 2044760), (40, 1993641), (51, 1563640), (52, 1533570), (60, 1329094), (62, 1286220), (65, 1226856), (68, 1172730), (78, 1022380), (85, 938184), (93, 857480), (97, 822120), (102, 781820), (104, 766785), (120, 664547), (124, 643110), (130, 613428), (136, 586365), (155, 514488), (156, 511190), (170, 469092), (186, 428740), (194, 411060), (195, 408952), (204, 390910), (221, 360840), (248, 321555), (255, 312728), (260, 306714), (291, 274040), (310, 257244), (312, 255595), (340, 234546), (372, 214370), (388, 205530), (390, 204476), (403, 197880), (408, 195455), (442, 180420), (465, 171496), (485, 164424), (510, 156364), (520, 153357), (527, 151320), (582, 137020), (620, 128622), (663, 120280), (680, 117273), (744, 107185), (776, 102765), (780, 102238), (806, 98940), (884, 90210), (930, 85748), (970, 82212), (1020, 78182), (1054, 75660), (1105, 72168), (1164, 68510), (1209, 65960), (1240, 64311), (1261, 63240), (1326, 60140), (1455, 54808), (1560, 51119), (1581, 50440), (1612, 49470), (1649, 48360), (1768, 45105), (1860, 42874), (1940, 41106), (2015, 39576), (2040, 39091), (2108, 37830), (2210, 36084), (2328, 34255), (2418, 32980), (2522, 31620), (2635, 30264), (2652, 30070), (2910, 27404), (3007, 26520), (3162, 25220), (3224, 24735), (3298, 24180), (3315, 24056), (3720, 21437), (3783, 21080), (3880, 20553), (4030, 19788), (4216, 18915), (4420, 18042), (4836, 16490), (4947, 16120), (5044, 15810), (5270, 15132), (5304, 15035), (5820, 13702), (6014, 13260), (6045, 13192), (6305, 12648), (6324, 12610), (6596, 12090), (6630, 12028), (6851, 11640), (7566, 10540), (7905, 10088), (8060, 9894), (8245, 9672), (8840, 9021)]