28776720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{2447}}^1$

素因数の和:2477

約数の個数: 120

約数和(自身を含む): 103814784

約数和(自身を除く): 75038064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2447, 2940, 3920, 4894, 5880, 7341, 9788, 11760, 12235, 14682, 17129, 19576, 24470, 29364, 34258, 36705, 39152, 48940, 51387, 58728, 68516, 73410, 85645, 97880, 102774, 117456, 119903, 137032, 146820, 171290, 195760, 205548, 239806, 256935, 274064, 293640, 342580, 359709, 411096, 479612, 513870, 587280, 599515, 685160, 719418, 822192, 959224, 1027740, 1199030, 1370320, 1438836, 1798545, 1918448, 2055480, 2398060, 2877672, 3597090, 4110960, 4796120, 5755344, 7194180, 9592240, 14388360, 28776720]

約数ペア:

[(1, 28776720), (2, 14388360), (3, 9592240), (4, 7194180), (5, 5755344), (6, 4796120), (7, 4110960), (8, 3597090), (10, 2877672), (12, 2398060), (14, 2055480), (15, 1918448), (16, 1798545), (20, 1438836), (21, 1370320), (24, 1199030), (28, 1027740), (30, 959224), (35, 822192), (40, 719418), (42, 685160), (48, 599515), (49, 587280), (56, 513870), (60, 479612), (70, 411096), (80, 359709), (84, 342580), (98, 293640), (105, 274064), (112, 256935), (120, 239806), (140, 205548), (147, 195760), (168, 171290), (196, 146820), (210, 137032), (240, 119903), (245, 117456), (280, 102774), (294, 97880), (336, 85645), (392, 73410), (420, 68516), (490, 58728), (560, 51387), (588, 48940), (735, 39152), (784, 36705), (840, 34258), (980, 29364), (1176, 24470), (1470, 19576), (1680, 17129), (1960, 14682), (2352, 12235), (2447, 11760), (2940, 9788), (3920, 7341), (4894, 5880)]