280455840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{27823}}^1$

素因数の和:27851

約数の個数: 144

約数和(自身を含む): 1093817088

約数和(自身を除く): 813361248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 27823, 55646, 83469, 111292, 139115, 166938, 194761, 222584, 250407, 278230, 333876, 389522, 417345, 445168, 500814, 556460, 584283, 667752, 779044, 834690, 890336, 973805, 1001628, 1112920, 1168566, 1252035, 1335504, 1558088, 1669380, 1752849, 1947610, 2003256, 2225840, 2337132, 2504070, 2671008, 2921415, 3116176, 3338760, 3505698, 3895220, 4006512, 4451680, 4674264, 5008140, 5842830, 6232352, 6677520, 7011396, 7790440, 8013024, 8764245, 9348528, 10016280, 11685660, 13355040, 14022792, 15580880, 17528490, 18697056, 20032560, 23371320, 28045584, 31161760, 35056980, 40065120, 46742640, 56091168, 70113960, 93485280, 140227920, 280455840]

約数ペア:

[(1, 280455840), (2, 140227920), (3, 93485280), (4, 70113960), (5, 56091168), (6, 46742640), (7, 40065120), (8, 35056980), (9, 31161760), (10, 28045584), (12, 23371320), (14, 20032560), (15, 18697056), (16, 17528490), (18, 15580880), (20, 14022792), (21, 13355040), (24, 11685660), (28, 10016280), (30, 9348528), (32, 8764245), (35, 8013024), (36, 7790440), (40, 7011396), (42, 6677520), (45, 6232352), (48, 5842830), (56, 5008140), (60, 4674264), (63, 4451680), (70, 4006512), (72, 3895220), (80, 3505698), (84, 3338760), (90, 3116176), (96, 2921415), (105, 2671008), (112, 2504070), (120, 2337132), (126, 2225840), (140, 2003256), (144, 1947610), (160, 1752849), (168, 1669380), (180, 1558088), (210, 1335504), (224, 1252035), (240, 1168566), (252, 1112920), (280, 1001628), (288, 973805), (315, 890336), (336, 834690), (360, 779044), (420, 667752), (480, 584283), (504, 556460), (560, 500814), (630, 445168), (672, 417345), (720, 389522), (840, 333876), (1008, 278230), (1120, 250407), (1260, 222584), (1440, 194761), (1680, 166938), (2016, 139115), (2520, 111292), (3360, 83469), (5040, 55646), (10080, 27823)]