2905611520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2333}}^1$

素因数の和:2500

約数の個数: 144

約数和(自身を含む): 8014769280

約数和(自身を除く): 5109157760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 139, 140, 160, 224, 256, 278, 280, 320, 448, 556, 560, 640, 695, 896, 973, 1112, 1120, 1280, 1390, 1792, 1946, 2224, 2240, 2333, 2780, 3892, 4448, 4480, 4666, 4865, 5560, 7784, 8896, 8960, 9332, 9730, 11120, 11665, 15568, 16331, 17792, 18664, 19460, 22240, 23330, 31136, 32662, 35584, 37328, 38920, 44480, 46660, 62272, 65324, 74656, 77840, 81655, 88960, 93320, 124544, 130648, 149312, 155680, 163310, 177920, 186640, 249088, 261296, 298624, 311360, 324287, 326620, 373280, 522592, 597248, 622720, 648574, 653240, 746560, 1045184, 1245440, 1297148, 1306480, 1493120, 1621435, 2090368, 2270009, 2594296, 2612960, 2986240, 3242870, 4180736, 4540018, 5188592, 5225920, 6485740, 9080036, 10377184, 10451840, 11350045, 12971480, 18160072, 20754368, 20903680, 22700090, 25942960, 36320144, 41508736, 45400180, 51885920, 72640288, 83017472, 90800360, 103771840, 145280576, 181600720, 207543680, 290561152, 363201440, 415087360, 581122304, 726402880, 1452805760, 2905611520]

約数ペア:

[(1, 2905611520), (2, 1452805760), (4, 726402880), (5, 581122304), (7, 415087360), (8, 363201440), (10, 290561152), (14, 207543680), (16, 181600720), (20, 145280576), (28, 103771840), (32, 90800360), (35, 83017472), (40, 72640288), (56, 51885920), (64, 45400180), (70, 41508736), (80, 36320144), (112, 25942960), (128, 22700090), (139, 20903680), (140, 20754368), (160, 18160072), (224, 12971480), (256, 11350045), (278, 10451840), (280, 10377184), (320, 9080036), (448, 6485740), (556, 5225920), (560, 5188592), (640, 4540018), (695, 4180736), (896, 3242870), (973, 2986240), (1112, 2612960), (1120, 2594296), (1280, 2270009), (1390, 2090368), (1792, 1621435), (1946, 1493120), (2224, 1306480), (2240, 1297148), (2333, 1245440), (2780, 1045184), (3892, 746560), (4448, 653240), (4480, 648574), (4666, 622720), (4865, 597248), (5560, 522592), (7784, 373280), (8896, 326620), (8960, 324287), (9332, 311360), (9730, 298624), (11120, 261296), (11665, 249088), (15568, 186640), (16331, 177920), (17792, 163310), (18664, 155680), (19460, 149312), (22240, 130648), (23330, 124544), (31136, 93320), (32662, 88960), (35584, 81655), (37328, 77840), (38920, 74656), (44480, 65324), (46660, 62272)]