251850240

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:689

約数の個数: 240

約数和(自身を含む): 924972048

約数和(自身を除く): 673121808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 128, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 256, 272, 288, 306, 320, 340, 360, 384, 408, 480, 510, 512, 544, 576, 612, 640, 643, 680, 720, 765, 768, 816, 960, 1020, 1088, 1152, 1224, 1280, 1286, 1360, 1440, 1530, 1536, 1632, 1920, 1929, 2040, 2176, 2304, 2448, 2560, 2572, 2720, 2880, 3060, 3215, 3264, 3840, 3858, 4080, 4352, 4608, 4896, 5144, 5440, 5760, 5787, 6120, 6430, 6528, 7680, 7716, 8160, 8704, 9645, 9792, 10288, 10880, 10931, 11520, 11574, 12240, 12860, 13056, 15432, 16320, 19290, 19584, 20576, 21760, 21862, 23040, 23148, 24480, 25720, 26112, 28935, 30864, 32640, 32793, 38580, 39168, 41152, 43520, 43724, 46296, 48960, 51440, 54655, 57870, 61728, 65280, 65586, 77160, 78336, 82304, 87448, 92592, 97920, 98379, 102880, 109310, 115740, 123456, 130560, 131172, 154320, 163965, 164608, 174896, 185184, 195840, 196758, 205760, 218620, 231480, 246912, 262344, 308640, 327930, 329216, 349792, 370368, 391680, 393516, 411520, 437240, 462960, 491895, 493824, 524688, 617280, 655860, 699584, 740736, 787032, 823040, 874480, 925920, 983790, 987648, 1049376, 1234560, 1311720, 1399168, 1481472, 1574064, 1646080, 1748960, 1851840, 1967580, 2098752, 2469120, 2623440, 2798336, 2962944, 3148128, 3497920, 3703680, 3935160, 4197504, 4938240, 5246880, 5596672, 6296256, 6995840, 7407360, 7870320, 8395008, 10493760, 12592512, 13991680, 14814720, 15740640, 16790016, 20987520, 25185024, 27983360, 31481280, 41975040, 50370048, 62962560, 83950080, 125925120, 251850240]

約数ペア:

[(1, 251850240), (2, 125925120), (3, 83950080), (4, 62962560), (5, 50370048), (6, 41975040), (8, 31481280), (9, 27983360), (10, 25185024), (12, 20987520), (15, 16790016), (16, 15740640), (17, 14814720), (18, 13991680), (20, 12592512), (24, 10493760), (30, 8395008), (32, 7870320), (34, 7407360), (36, 6995840), (40, 6296256), (45, 5596672), (48, 5246880), (51, 4938240), (60, 4197504), (64, 3935160), (68, 3703680), (72, 3497920), (80, 3148128), (85, 2962944), (90, 2798336), (96, 2623440), (102, 2469120), (120, 2098752), (128, 1967580), (136, 1851840), (144, 1748960), (153, 1646080), (160, 1574064), (170, 1481472), (180, 1399168), (192, 1311720), (204, 1234560), (240, 1049376), (255, 987648), (256, 983790), (272, 925920), (288, 874480), (306, 823040), (320, 787032), (340, 740736), (360, 699584), (384, 655860), (408, 617280), (480, 524688), (510, 493824), (512, 491895), (544, 462960), (576, 437240), (612, 411520), (640, 393516), (643, 391680), (680, 370368), (720, 349792), (765, 329216), (768, 327930), (816, 308640), (960, 262344), (1020, 246912), (1088, 231480), (1152, 218620), (1224, 205760), (1280, 196758), (1286, 195840), (1360, 185184), (1440, 174896), (1530, 164608), (1536, 163965), (1632, 154320), (1920, 131172), (1929, 130560), (2040, 123456), (2176, 115740), (2304, 109310), (2448, 102880), (2560, 98379), (2572, 97920), (2720, 92592), (2880, 87448), (3060, 82304), (3215, 78336), (3264, 77160), (3840, 65586), (3858, 65280), (4080, 61728), (4352, 57870), (4608, 54655), (4896, 51440), (5144, 48960), (5440, 46296), (5760, 43724), (5787, 43520), (6120, 41152), (6430, 39168), (6528, 38580), (7680, 32793), (7716, 32640), (8160, 30864), (8704, 28935), (9645, 26112), (9792, 25720), (10288, 24480), (10880, 23148), (10931, 23040), (11520, 21862), (11574, 21760), (12240, 20576), (12860, 19584), (13056, 19290), (15432, 16320)]