28235760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^6$

素因数の和:58

約数の個数: 140

約数和(自身を含む): 102119208

約数和(自身を除く): 73883448

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, 343, 392, 420, 490, 560, 588, 686, 735, 784, 840, 980, 1029, 1176, 1372, 1470, 1680, 1715, 1960, 2058, 2352, 2401, 2744, 2940, 3430, 3920, 4116, 4802, 5145, 5488, 5880, 6860, 7203, 8232, 9604, 10290, 11760, 12005, 13720, 14406, 16464, 16807, 19208, 20580, 24010, 27440, 28812, 33614, 36015, 38416, 41160, 48020, 50421, 57624, 67228, 72030, 82320, 84035, 96040, 100842, 115248, 117649, 134456, 144060, 168070, 192080, 201684, 235298, 252105, 268912, 288120, 336140, 352947, 403368, 470596, 504210, 576240, 588245, 672280, 705894, 806736, 941192, 1008420, 1176490, 1344560, 1411788, 1764735, 1882384, 2016840, 2352980, 2823576, 3529470, 4033680, 4705960, 5647152, 7058940, 9411920, 14117880, 28235760]

約数ペア:

[(1, 28235760), (2, 14117880), (3, 9411920), (4, 7058940), (5, 5647152), (6, 4705960), (7, 4033680), (8, 3529470), (10, 2823576), (12, 2352980), (14, 2016840), (15, 1882384), (16, 1764735), (20, 1411788), (21, 1344560), (24, 1176490), (28, 1008420), (30, 941192), (35, 806736), (40, 705894), (42, 672280), (48, 588245), (49, 576240), (56, 504210), (60, 470596), (70, 403368), (80, 352947), (84, 336140), (98, 288120), (105, 268912), (112, 252105), (120, 235298), (140, 201684), (147, 192080), (168, 168070), (196, 144060), (210, 134456), (240, 117649), (245, 115248), (280, 100842), (294, 96040), (336, 84035), (343, 82320), (392, 72030), (420, 67228), (490, 57624), (560, 50421), (588, 48020), (686, 41160), (735, 38416), (784, 36015), (840, 33614), (980, 28812), (1029, 27440), (1176, 24010), (1372, 20580), (1470, 19208), (1680, 16807), (1715, 16464), (1960, 14406), (2058, 13720), (2352, 12005), (2401, 11760), (2744, 10290), (2940, 9604), (3430, 8232), (3920, 7203), (4116, 6860), (4802, 5880), (5145, 5488)]