208647720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:376

約数の個数: 192

約数和(自身を含む): 717050880

約数和(自身を除く): 508403160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 113, 115, 120, 138, 180, 184, 207, 223, 226, 230, 276, 339, 345, 360, 414, 446, 452, 460, 552, 565, 669, 678, 690, 828, 892, 904, 920, 1017, 1035, 1115, 1130, 1338, 1356, 1380, 1656, 1695, 1784, 2007, 2034, 2070, 2230, 2260, 2599, 2676, 2712, 2760, 3345, 3390, 4014, 4068, 4140, 4460, 4520, 5085, 5129, 5198, 5352, 6690, 6780, 7797, 8028, 8136, 8280, 8920, 10035, 10170, 10258, 10396, 12995, 13380, 13560, 15387, 15594, 16056, 20070, 20340, 20516, 20792, 23391, 25199, 25645, 25990, 26760, 30774, 31188, 38985, 40140, 40680, 41032, 46161, 46782, 50398, 51290, 51980, 61548, 62376, 75597, 76935, 77970, 80280, 92322, 93564, 100796, 102580, 103960, 116955, 123096, 125995, 151194, 153870, 155940, 184644, 187128, 201592, 205160, 226791, 230805, 233910, 251990, 302388, 307740, 311880, 369288, 377985, 453582, 461610, 467820, 503980, 579577, 604776, 615480, 755970, 907164, 923220, 935640, 1007960, 1133955, 1159154, 1511940, 1738731, 1814328, 1846440, 2267910, 2318308, 2897885, 3023880, 3477462, 4535820, 4636616, 5216193, 5795770, 6954924, 8693655, 9071640, 10432386, 11591540, 13909848, 17387310, 20864772, 23183080, 26080965, 34774620, 41729544, 52161930, 69549240, 104323860, 208647720]

約数ペア:

[(1, 208647720), (2, 104323860), (3, 69549240), (4, 52161930), (5, 41729544), (6, 34774620), (8, 26080965), (9, 23183080), (10, 20864772), (12, 17387310), (15, 13909848), (18, 11591540), (20, 10432386), (23, 9071640), (24, 8693655), (30, 6954924), (36, 5795770), (40, 5216193), (45, 4636616), (46, 4535820), (60, 3477462), (69, 3023880), (72, 2897885), (90, 2318308), (92, 2267910), (113, 1846440), (115, 1814328), (120, 1738731), (138, 1511940), (180, 1159154), (184, 1133955), (207, 1007960), (223, 935640), (226, 923220), (230, 907164), (276, 755970), (339, 615480), (345, 604776), (360, 579577), (414, 503980), (446, 467820), (452, 461610), (460, 453582), (552, 377985), (565, 369288), (669, 311880), (678, 307740), (690, 302388), (828, 251990), (892, 233910), (904, 230805), (920, 226791), (1017, 205160), (1035, 201592), (1115, 187128), (1130, 184644), (1338, 155940), (1356, 153870), (1380, 151194), (1656, 125995), (1695, 123096), (1784, 116955), (2007, 103960), (2034, 102580), (2070, 100796), (2230, 93564), (2260, 92322), (2599, 80280), (2676, 77970), (2712, 76935), (2760, 75597), (3345, 62376), (3390, 61548), (4014, 51980), (4068, 51290), (4140, 50398), (4460, 46782), (4520, 46161), (5085, 41032), (5129, 40680), (5198, 40140), (5352, 38985), (6690, 31188), (6780, 30774), (7797, 26760), (8028, 25990), (8136, 25645), (8280, 25199), (8920, 23391), (10035, 20792), (10170, 20516), (10258, 20340), (10396, 20070), (12995, 16056), (13380, 15594), (13560, 15387)]