281503040

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1425

約数の個数: 168

約数和(自身を含む): 840361032

約数和(自身を除く): 558857992

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 320, 364, 392, 416, 448, 455, 490, 520, 560, 637, 728, 784, 832, 910, 980, 1040, 1120, 1274, 1381, 1456, 1568, 1820, 1960, 2080, 2240, 2548, 2762, 2912, 3136, 3185, 3640, 3920, 4160, 5096, 5524, 5824, 6370, 6905, 7280, 7840, 9667, 10192, 11048, 12740, 13810, 14560, 15680, 17953, 19334, 20384, 22096, 25480, 27620, 29120, 35906, 38668, 40768, 44192, 48335, 50960, 55240, 67669, 71812, 77336, 88384, 89765, 96670, 101920, 110480, 125671, 135338, 143624, 154672, 179530, 193340, 203840, 220960, 251342, 270676, 287248, 309344, 338345, 359060, 386680, 441920, 502684, 541352, 574496, 618688, 628355, 676690, 718120, 773360, 879697, 1005368, 1082704, 1148992, 1256710, 1353380, 1436240, 1546720, 1759394, 2010736, 2165408, 2513420, 2706760, 2872480, 3093440, 3518788, 4021472, 4330816, 4398485, 5026840, 5413520, 5744960, 7037576, 8042944, 8796970, 10053680, 10827040, 14075152, 17593940, 20107360, 21654080, 28150304, 35187880, 40214720, 56300608, 70375760, 140751520, 281503040]

約数ペア:

[(1, 281503040), (2, 140751520), (4, 70375760), (5, 56300608), (7, 40214720), (8, 35187880), (10, 28150304), (13, 21654080), (14, 20107360), (16, 17593940), (20, 14075152), (26, 10827040), (28, 10053680), (32, 8796970), (35, 8042944), (40, 7037576), (49, 5744960), (52, 5413520), (56, 5026840), (64, 4398485), (65, 4330816), (70, 4021472), (80, 3518788), (91, 3093440), (98, 2872480), (104, 2706760), (112, 2513420), (130, 2165408), (140, 2010736), (160, 1759394), (182, 1546720), (196, 1436240), (208, 1353380), (224, 1256710), (245, 1148992), (260, 1082704), (280, 1005368), (320, 879697), (364, 773360), (392, 718120), (416, 676690), (448, 628355), (455, 618688), (490, 574496), (520, 541352), (560, 502684), (637, 441920), (728, 386680), (784, 359060), (832, 338345), (910, 309344), (980, 287248), (1040, 270676), (1120, 251342), (1274, 220960), (1381, 203840), (1456, 193340), (1568, 179530), (1820, 154672), (1960, 143624), (2080, 135338), (2240, 125671), (2548, 110480), (2762, 101920), (2912, 96670), (3136, 89765), (3185, 88384), (3640, 77336), (3920, 71812), (4160, 67669), (5096, 55240), (5524, 50960), (5824, 48335), (6370, 44192), (6905, 40768), (7280, 38668), (7840, 35906), (9667, 29120), (10192, 27620), (11048, 25480), (12740, 22096), (13810, 20384), (14560, 19334), (15680, 17953)]