254568720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{21647}}^1$

素因数の和:21677

約数の個数: 120

約数和(自身を含む): 918048384

約数和(自身を除く): 663479664

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 21647, 43294, 64941, 86588, 108235, 129882, 151529, 173176, 216470, 259764, 303058, 324705, 346352, 432940, 454587, 519528, 606116, 649410, 757645, 865880, 909174, 1039056, 1060703, 1212232, 1298820, 1515290, 1731760, 1818348, 2121406, 2272935, 2424464, 2597640, 3030580, 3182109, 3636696, 4242812, 4545870, 5195280, 5303515, 6061160, 6364218, 7273392, 8485624, 9091740, 10607030, 12122320, 12728436, 15910545, 16971248, 18183480, 21214060, 25456872, 31821090, 36366960, 42428120, 50913744, 63642180, 84856240, 127284360, 254568720]

約数ペア:

[(1, 254568720), (2, 127284360), (3, 84856240), (4, 63642180), (5, 50913744), (6, 42428120), (7, 36366960), (8, 31821090), (10, 25456872), (12, 21214060), (14, 18183480), (15, 16971248), (16, 15910545), (20, 12728436), (21, 12122320), (24, 10607030), (28, 9091740), (30, 8485624), (35, 7273392), (40, 6364218), (42, 6061160), (48, 5303515), (49, 5195280), (56, 4545870), (60, 4242812), (70, 3636696), (80, 3182109), (84, 3030580), (98, 2597640), (105, 2424464), (112, 2272935), (120, 2121406), (140, 1818348), (147, 1731760), (168, 1515290), (196, 1298820), (210, 1212232), (240, 1060703), (245, 1039056), (280, 909174), (294, 865880), (336, 757645), (392, 649410), (420, 606116), (490, 519528), (560, 454587), (588, 432940), (735, 346352), (784, 324705), (840, 303058), (980, 259764), (1176, 216470), (1470, 173176), (1680, 151529), (1960, 129882), (2352, 108235), (2940, 86588), (3920, 64941), (5880, 43294), (11760, 21647)]