208090680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1297}}^1$

素因数の和:1509

約数の個数: 128

約数和(自身を含む): 717742080

約数和(自身を除く): 509651400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 191, 210, 280, 382, 420, 573, 764, 840, 955, 1146, 1297, 1337, 1528, 1910, 2292, 2594, 2674, 2865, 3820, 3891, 4011, 4584, 5188, 5348, 5730, 6485, 6685, 7640, 7782, 8022, 9079, 10376, 10696, 11460, 12970, 13370, 15564, 16044, 18158, 19455, 20055, 22920, 25940, 26740, 27237, 31128, 32088, 36316, 38910, 40110, 45395, 51880, 53480, 54474, 72632, 77820, 80220, 90790, 108948, 136185, 155640, 160440, 181580, 217896, 247727, 272370, 363160, 495454, 544740, 743181, 990908, 1089480, 1238635, 1486362, 1734089, 1981816, 2477270, 2972724, 3468178, 3715905, 4954540, 5202267, 5945448, 6936356, 7431810, 8670445, 9909080, 10404534, 13872712, 14863620, 17340890, 20809068, 26011335, 29727240, 34681780, 41618136, 52022670, 69363560, 104045340, 208090680]

約数ペア:

[(1, 208090680), (2, 104045340), (3, 69363560), (4, 52022670), (5, 41618136), (6, 34681780), (7, 29727240), (8, 26011335), (10, 20809068), (12, 17340890), (14, 14863620), (15, 13872712), (20, 10404534), (21, 9909080), (24, 8670445), (28, 7431810), (30, 6936356), (35, 5945448), (40, 5202267), (42, 4954540), (56, 3715905), (60, 3468178), (70, 2972724), (84, 2477270), (105, 1981816), (120, 1734089), (140, 1486362), (168, 1238635), (191, 1089480), (210, 990908), (280, 743181), (382, 544740), (420, 495454), (573, 363160), (764, 272370), (840, 247727), (955, 217896), (1146, 181580), (1297, 160440), (1337, 155640), (1528, 136185), (1910, 108948), (2292, 90790), (2594, 80220), (2674, 77820), (2865, 72632), (3820, 54474), (3891, 53480), (4011, 51880), (4584, 45395), (5188, 40110), (5348, 38910), (5730, 36316), (6485, 32088), (6685, 31128), (7640, 27237), (7782, 26740), (8022, 25940), (9079, 22920), (10376, 20055), (10696, 19455), (11460, 18158), (12970, 16044), (13370, 15564)]