280454160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1721}}^1$

素因数の和:1841

約数の個数: 160

約数和(自身を含む): 1004435712

約数和(自身を除く): 723981552

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, 56, 60, 70, 80, 84, 97, 105, 112, 120, 140, 168, 194, 210, 240, 280, 291, 336, 388, 420, 485, 560, 582, 679, 776, 840, 970, 1164, 1358, 1455, 1552, 1680, 1721, 1940, 2037, 2328, 2716, 2910, 3395, 3442, 3880, 4074, 4656, 5163, 5432, 5820, 6790, 6884, 7760, 8148, 8605, 10185, 10326, 10864, 11640, 12047, 13580, 13768, 16296, 17210, 20370, 20652, 23280, 24094, 25815, 27160, 27536, 32592, 34420, 36141, 40740, 41304, 48188, 51630, 54320, 60235, 68840, 72282, 81480, 82608, 96376, 103260, 120470, 137680, 144564, 162960, 166937, 180705, 192752, 206520, 240940, 289128, 333874, 361410, 413040, 481880, 500811, 578256, 667748, 722820, 834685, 963760, 1001622, 1168559, 1335496, 1445640, 1669370, 2003244, 2337118, 2504055, 2670992, 2891280, 3338740, 3505677, 4006488, 4674236, 5008110, 5842795, 6677480, 7011354, 8012976, 9348472, 10016220, 11685590, 13354960, 14022708, 17528385, 18696944, 20032440, 23371180, 28045416, 35056770, 40064880, 46742360, 56090832, 70113540, 93484720, 140227080, 280454160]

約数ペア:

[(1, 280454160), (2, 140227080), (3, 93484720), (4, 70113540), (5, 56090832), (6, 46742360), (7, 40064880), (8, 35056770), (10, 28045416), (12, 23371180), (14, 20032440), (15, 18696944), (16, 17528385), (20, 14022708), (21, 13354960), (24, 11685590), (28, 10016220), (30, 9348472), (35, 8012976), (40, 7011354), (42, 6677480), (48, 5842795), (56, 5008110), (60, 4674236), (70, 4006488), (80, 3505677), (84, 3338740), (97, 2891280), (105, 2670992), (112, 2504055), (120, 2337118), (140, 2003244), (168, 1669370), (194, 1445640), (210, 1335496), (240, 1168559), (280, 1001622), (291, 963760), (336, 834685), (388, 722820), (420, 667748), (485, 578256), (560, 500811), (582, 481880), (679, 413040), (776, 361410), (840, 333874), (970, 289128), (1164, 240940), (1358, 206520), (1455, 192752), (1552, 180705), (1680, 166937), (1721, 162960), (1940, 144564), (2037, 137680), (2328, 120470), (2716, 103260), (2910, 96376), (3395, 82608), (3442, 81480), (3880, 72282), (4074, 68840), (4656, 60235), (5163, 54320), (5432, 51630), (5820, 48188), (6790, 41304), (6884, 40740), (7760, 36141), (8148, 34420), (8605, 32592), (10185, 27536), (10326, 27160), (10864, 25815), (11640, 24094), (12047, 23280), (13580, 20652), (13768, 20370), (16296, 17210)]