311706240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5237}}^1$

素因数の和:5290

約数の個数: 128

約数和(自身を含む): 1025809920

約数和(自身を除く): 714103680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4960, 5237, 5952, 7440, 9920, 10474, 11904, 14880, 15711, 19840, 20948, 26185, 29760, 31422, 41896, 52370, 59520, 62844, 78555, 83792, 104740, 125688, 157110, 162347, 167584, 209480, 251376, 314220, 324694, 335168, 418960, 487041, 502752, 628440, 649388, 670336, 811735, 837920, 974082, 1005504, 1256880, 1298776, 1623470, 1675840, 1948164, 2011008, 2435205, 2513760, 2597552, 3246940, 3351680, 3896328, 4870410, 5027520, 5195104, 6493880, 7792656, 9740820, 10055040, 10390208, 12987760, 15585312, 19481640, 20780416, 25975520, 31170624, 38963280, 51951040, 62341248, 77926560, 103902080, 155853120, 311706240]

約数ペア:

[(1, 311706240), (2, 155853120), (3, 103902080), (4, 77926560), (5, 62341248), (6, 51951040), (8, 38963280), (10, 31170624), (12, 25975520), (15, 20780416), (16, 19481640), (20, 15585312), (24, 12987760), (30, 10390208), (31, 10055040), (32, 9740820), (40, 7792656), (48, 6493880), (60, 5195104), (62, 5027520), (64, 4870410), (80, 3896328), (93, 3351680), (96, 3246940), (120, 2597552), (124, 2513760), (128, 2435205), (155, 2011008), (160, 1948164), (186, 1675840), (192, 1623470), (240, 1298776), (248, 1256880), (310, 1005504), (320, 974082), (372, 837920), (384, 811735), (465, 670336), (480, 649388), (496, 628440), (620, 502752), (640, 487041), (744, 418960), (930, 335168), (960, 324694), (992, 314220), (1240, 251376), (1488, 209480), (1860, 167584), (1920, 162347), (1984, 157110), (2480, 125688), (2976, 104740), (3720, 83792), (3968, 78555), (4960, 62844), (5237, 59520), (5952, 52370), (7440, 41896), (9920, 31422), (10474, 29760), (11904, 26185), (14880, 20948), (15711, 19840)]