320617920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{47711}}^1$

素因数の和:47738

約数の個数: 112

約数和(自身を含む): 1163409408

約数和(自身を除く): 842791488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 47711, 95422, 143133, 190844, 238555, 286266, 333977, 381688, 477110, 572532, 667954, 715665, 763376, 954220, 1001931, 1145064, 1335908, 1431330, 1526752, 1669885, 1908440, 2003862, 2290128, 2671816, 2862660, 3053504, 3339770, 3816880, 4007724, 4580256, 5009655, 5343632, 5725320, 6679540, 7633760, 8015448, 9160512, 10019310, 10687264, 11450640, 13359080, 15267520, 16030896, 20038620, 21374528, 22901280, 26718160, 32061792, 40077240, 45802560, 53436320, 64123584, 80154480, 106872640, 160308960, 320617920]

約数ペア:

[(1, 320617920), (2, 160308960), (3, 106872640), (4, 80154480), (5, 64123584), (6, 53436320), (7, 45802560), (8, 40077240), (10, 32061792), (12, 26718160), (14, 22901280), (15, 21374528), (16, 20038620), (20, 16030896), (21, 15267520), (24, 13359080), (28, 11450640), (30, 10687264), (32, 10019310), (35, 9160512), (40, 8015448), (42, 7633760), (48, 6679540), (56, 5725320), (60, 5343632), (64, 5009655), (70, 4580256), (80, 4007724), (84, 3816880), (96, 3339770), (105, 3053504), (112, 2862660), (120, 2671816), (140, 2290128), (160, 2003862), (168, 1908440), (192, 1669885), (210, 1526752), (224, 1431330), (240, 1335908), (280, 1145064), (320, 1001931), (336, 954220), (420, 763376), (448, 715665), (480, 667954), (560, 572532), (672, 477110), (840, 381688), (960, 333977), (1120, 286266), (1344, 238555), (1680, 190844), (2240, 143133), (3360, 95422), (6720, 47711)]