81876396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 241928960

約数和(自身を除く): 160052564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 29, 38, 42, 57, 58, 61, 76, 84, 87, 114, 116, 122, 133, 174, 183, 203, 228, 244, 266, 348, 366, 399, 406, 427, 532, 551, 609, 732, 798, 812, 841, 854, 1102, 1159, 1218, 1281, 1596, 1653, 1682, 1708, 1769, 2204, 2318, 2436, 2523, 2562, 3306, 3364, 3477, 3538, 3857, 4636, 5046, 5124, 5307, 5887, 6612, 6954, 7076, 7714, 8113, 10092, 10614, 11571, 11774, 12383, 13908, 15428, 15979, 16226, 17661, 21228, 23142, 23548, 24339, 24766, 31958, 32452, 33611, 35322, 37149, 46284, 47937, 48678, 49532, 51301, 63916, 67222, 70644, 74298, 95874, 97356, 100833, 102602, 111853, 134444, 148596, 153903, 191748, 201666, 205204, 223706, 235277, 307806, 335559, 359107, 403332, 447412, 470554, 615612, 671118, 705831, 718214, 941108, 974719, 1077321, 1342236, 1411662, 1436428, 1949438, 2154642, 2823324, 2924157, 3898876, 4309284, 5848314, 6823033, 11696628, 13646066, 20469099, 27292132, 40938198, 81876396]

約数ペア:

[(1, 81876396), (2, 40938198), (3, 27292132), (4, 20469099), (6, 13646066), (7, 11696628), (12, 6823033), (14, 5848314), (19, 4309284), (21, 3898876), (28, 2924157), (29, 2823324), (38, 2154642), (42, 1949438), (57, 1436428), (58, 1411662), (61, 1342236), (76, 1077321), (84, 974719), (87, 941108), (114, 718214), (116, 705831), (122, 671118), (133, 615612), (174, 470554), (183, 447412), (203, 403332), (228, 359107), (244, 335559), (266, 307806), (348, 235277), (366, 223706), (399, 205204), (406, 201666), (427, 191748), (532, 153903), (551, 148596), (609, 134444), (732, 111853), (798, 102602), (812, 100833), (841, 97356), (854, 95874), (1102, 74298), (1159, 70644), (1218, 67222), (1281, 63916), (1596, 51301), (1653, 49532), (1682, 48678), (1708, 47937), (1769, 46284), (2204, 37149), (2318, 35322), (2436, 33611), (2523, 32452), (2562, 31958), (3306, 24766), (3364, 24339), (3477, 23548), (3538, 23142), (3857, 21228), (4636, 17661), (5046, 16226), (5124, 15979), (5307, 15428), (5887, 13908), (6612, 12383), (6954, 11774), (7076, 11571), (7714, 10614), (8113, 10092)]