26721240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2447}}^1$

素因数の和:2481

約数の個数: 128

約数和(自身を含む): 98703360

約数和(自身を除く): 71982120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2447, 2730, 3640, 4894, 5460, 7341, 9788, 10920, 12235, 14682, 17129, 19576, 24470, 29364, 31811, 34258, 36705, 48940, 51387, 58728, 63622, 68516, 73410, 85645, 95433, 97880, 102774, 127244, 137032, 146820, 159055, 171290, 190866, 205548, 222677, 254488, 256935, 293640, 318110, 342580, 381732, 411096, 445354, 477165, 513870, 636220, 668031, 685160, 763464, 890708, 954330, 1027740, 1113385, 1272440, 1336062, 1781416, 1908660, 2055480, 2226770, 2672124, 3340155, 3817320, 4453540, 5344248, 6680310, 8907080, 13360620, 26721240]

約数ペア:

[(1, 26721240), (2, 13360620), (3, 8907080), (4, 6680310), (5, 5344248), (6, 4453540), (7, 3817320), (8, 3340155), (10, 2672124), (12, 2226770), (13, 2055480), (14, 1908660), (15, 1781416), (20, 1336062), (21, 1272440), (24, 1113385), (26, 1027740), (28, 954330), (30, 890708), (35, 763464), (39, 685160), (40, 668031), (42, 636220), (52, 513870), (56, 477165), (60, 445354), (65, 411096), (70, 381732), (78, 342580), (84, 318110), (91, 293640), (104, 256935), (105, 254488), (120, 222677), (130, 205548), (140, 190866), (156, 171290), (168, 159055), (182, 146820), (195, 137032), (210, 127244), (260, 102774), (273, 97880), (280, 95433), (312, 85645), (364, 73410), (390, 68516), (420, 63622), (455, 58728), (520, 51387), (546, 48940), (728, 36705), (780, 34258), (840, 31811), (910, 29364), (1092, 24470), (1365, 19576), (1560, 17129), (1820, 14682), (2184, 12235), (2447, 10920), (2730, 9788), (3640, 7341), (4894, 5460)]