31011180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 91035840

約数和(自身を除く): 60024660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 61, 74, 111, 122, 148, 183, 185, 222, 229, 244, 305, 366, 370, 444, 458, 555, 610, 687, 732, 740, 915, 916, 1110, 1145, 1220, 1374, 1830, 2220, 2257, 2290, 2748, 3435, 3660, 4514, 4580, 6771, 6870, 8473, 9028, 11285, 13542, 13740, 13969, 16946, 22570, 25419, 27084, 27938, 33855, 33892, 41907, 42365, 45140, 50838, 55876, 67710, 69845, 83814, 84730, 101676, 127095, 135420, 139690, 167628, 169460, 209535, 254190, 279380, 419070, 508380, 516853, 838140, 1033706, 1550559, 2067412, 2584265, 3101118, 5168530, 6202236, 7752795, 10337060, 15505590, 31011180]

約数ペア:

[(1, 31011180), (2, 15505590), (3, 10337060), (4, 7752795), (5, 6202236), (6, 5168530), (10, 3101118), (12, 2584265), (15, 2067412), (20, 1550559), (30, 1033706), (37, 838140), (60, 516853), (61, 508380), (74, 419070), (111, 279380), (122, 254190), (148, 209535), (183, 169460), (185, 167628), (222, 139690), (229, 135420), (244, 127095), (305, 101676), (366, 84730), (370, 83814), (444, 69845), (458, 67710), (555, 55876), (610, 50838), (687, 45140), (732, 42365), (740, 41907), (915, 33892), (916, 33855), (1110, 27938), (1145, 27084), (1220, 25419), (1374, 22570), (1830, 16946), (2220, 13969), (2257, 13740), (2290, 13542), (2748, 11285), (3435, 9028), (3660, 8473), (4514, 6870), (4580, 6771)]