28849920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{683}}^1$

素因数の和:718

約数の個数: 144

約数和(自身を含む): 100662912

約数和(自身を除く): 71812992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 683, 704, 768, 880, 960, 1056, 1280, 1320, 1366, 1408, 1760, 1920, 2049, 2112, 2640, 2732, 2816, 3415, 3520, 3840, 4098, 4224, 5280, 5464, 6830, 7040, 7513, 8196, 8448, 10245, 10560, 10928, 13660, 14080, 15026, 16392, 20490, 21120, 21856, 22539, 27320, 30052, 32784, 37565, 40980, 42240, 43712, 45078, 54640, 60104, 65568, 75130, 81960, 87424, 90156, 109280, 112695, 120208, 131136, 150260, 163920, 174848, 180312, 218560, 225390, 240416, 262272, 300520, 327840, 360624, 437120, 450780, 480832, 524544, 601040, 655680, 721248, 874240, 901560, 961664, 1202080, 1311360, 1442496, 1803120, 1923328, 2404160, 2622720, 2884992, 3606240, 4808320, 5769984, 7212480, 9616640, 14424960, 28849920]

約数ペア:

[(1, 28849920), (2, 14424960), (3, 9616640), (4, 7212480), (5, 5769984), (6, 4808320), (8, 3606240), (10, 2884992), (11, 2622720), (12, 2404160), (15, 1923328), (16, 1803120), (20, 1442496), (22, 1311360), (24, 1202080), (30, 961664), (32, 901560), (33, 874240), (40, 721248), (44, 655680), (48, 601040), (55, 524544), (60, 480832), (64, 450780), (66, 437120), (80, 360624), (88, 327840), (96, 300520), (110, 262272), (120, 240416), (128, 225390), (132, 218560), (160, 180312), (165, 174848), (176, 163920), (192, 150260), (220, 131136), (240, 120208), (256, 112695), (264, 109280), (320, 90156), (330, 87424), (352, 81960), (384, 75130), (440, 65568), (480, 60104), (528, 54640), (640, 45078), (660, 43712), (683, 42240), (704, 40980), (768, 37565), (880, 32784), (960, 30052), (1056, 27320), (1280, 22539), (1320, 21856), (1366, 21120), (1408, 20490), (1760, 16392), (1920, 15026), (2049, 14080), (2112, 13660), (2640, 10928), (2732, 10560), (2816, 10245), (3415, 8448), (3520, 8196), (3840, 7513), (4098, 7040), (4224, 6830), (5280, 5464)]