918851220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1783}}^1$

素因数の和:2214

約数の個数: 144

約数和(自身を含む): 3194929920

約数和(自身を除く): 2276078700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 409, 420, 630, 818, 1227, 1260, 1636, 1783, 2045, 2454, 2863, 3566, 3681, 4090, 4908, 5349, 5726, 6135, 7132, 7362, 8180, 8589, 8915, 10698, 11452, 12270, 12481, 14315, 14724, 16047, 17178, 17830, 18405, 21396, 24540, 24962, 25767, 26745, 28630, 32094, 34356, 35660, 36810, 37443, 42945, 49924, 51534, 53490, 57260, 62405, 64188, 73620, 74886, 80235, 85890, 103068, 106980, 112329, 124810, 128835, 149772, 160470, 171780, 187215, 224658, 249620, 257670, 320940, 374430, 449316, 515340, 561645, 729247, 748860, 1123290, 1458494, 2187741, 2246580, 2916988, 3646235, 4375482, 5104729, 6563223, 7292470, 8750964, 10209458, 10938705, 13126446, 14584940, 15314187, 20418916, 21877410, 25523645, 26252892, 30628374, 32816115, 43754820, 45942561, 51047290, 61256748, 65632230, 76570935, 91885122, 102094580, 131264460, 153141870, 183770244, 229712805, 306283740, 459425610, 918851220]

約数ペア:

[(1, 918851220), (2, 459425610), (3, 306283740), (4, 229712805), (5, 183770244), (6, 153141870), (7, 131264460), (9, 102094580), (10, 91885122), (12, 76570935), (14, 65632230), (15, 61256748), (18, 51047290), (20, 45942561), (21, 43754820), (28, 32816115), (30, 30628374), (35, 26252892), (36, 25523645), (42, 21877410), (45, 20418916), (60, 15314187), (63, 14584940), (70, 13126446), (84, 10938705), (90, 10209458), (105, 8750964), (126, 7292470), (140, 6563223), (180, 5104729), (210, 4375482), (252, 3646235), (315, 2916988), (409, 2246580), (420, 2187741), (630, 1458494), (818, 1123290), (1227, 748860), (1260, 729247), (1636, 561645), (1783, 515340), (2045, 449316), (2454, 374430), (2863, 320940), (3566, 257670), (3681, 249620), (4090, 224658), (4908, 187215), (5349, 171780), (5726, 160470), (6135, 149772), (7132, 128835), (7362, 124810), (8180, 112329), (8589, 106980), (8915, 103068), (10698, 85890), (11452, 80235), (12270, 74886), (12481, 73620), (14315, 64188), (14724, 62405), (16047, 57260), (17178, 53490), (17830, 51534), (18405, 49924), (21396, 42945), (24540, 37443), (24962, 36810), (25767, 35660), (26745, 34356), (28630, 32094)]