28650240

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{829}}^1$

素因数の和:859

約数の個数: 144

約数和(自身を含む): 101791200

約数和(自身を除く): 73140960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 829, 864, 960, 1080, 1152, 1280, 1440, 1658, 1728, 1920, 2160, 2304, 2487, 2880, 3316, 3456, 3840, 4145, 4320, 4974, 5760, 6632, 6912, 7461, 8290, 8640, 9948, 11520, 12435, 13264, 14922, 16580, 17280, 19896, 22383, 24870, 26528, 29844, 33160, 34560, 37305, 39792, 44766, 49740, 53056, 59688, 66320, 74610, 79584, 89532, 99480, 106112, 111915, 119376, 132640, 149220, 159168, 179064, 198960, 212224, 223830, 238752, 265280, 298440, 318336, 358128, 397920, 447660, 477504, 530560, 596880, 636672, 716256, 795840, 895320, 955008, 1061120, 1193760, 1432512, 1591680, 1790640, 1910016, 2387520, 2865024, 3183360, 3581280, 4775040, 5730048, 7162560, 9550080, 14325120, 28650240]

約数ペア:

[(1, 28650240), (2, 14325120), (3, 9550080), (4, 7162560), (5, 5730048), (6, 4775040), (8, 3581280), (9, 3183360), (10, 2865024), (12, 2387520), (15, 1910016), (16, 1790640), (18, 1591680), (20, 1432512), (24, 1193760), (27, 1061120), (30, 955008), (32, 895320), (36, 795840), (40, 716256), (45, 636672), (48, 596880), (54, 530560), (60, 477504), (64, 447660), (72, 397920), (80, 358128), (90, 318336), (96, 298440), (108, 265280), (120, 238752), (128, 223830), (135, 212224), (144, 198960), (160, 179064), (180, 159168), (192, 149220), (216, 132640), (240, 119376), (256, 111915), (270, 106112), (288, 99480), (320, 89532), (360, 79584), (384, 74610), (432, 66320), (480, 59688), (540, 53056), (576, 49740), (640, 44766), (720, 39792), (768, 37305), (829, 34560), (864, 33160), (960, 29844), (1080, 26528), (1152, 24870), (1280, 22383), (1440, 19896), (1658, 17280), (1728, 16580), (1920, 14922), (2160, 13264), (2304, 12435), (2487, 11520), (2880, 9948), (3316, 8640), (3456, 8290), (3840, 7461), (4145, 6912), (4320, 6632), (4974, 5760)]