280954240

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:98

約数の個数: 288

約数和(自身を含む): 856751040

約数和(自身を除く): 575796800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 49, 56, 62, 64, 68, 70, 80, 85, 98, 112, 119, 124, 128, 136, 140, 155, 160, 170, 196, 217, 224, 238, 245, 248, 272, 280, 289, 310, 320, 340, 392, 434, 448, 476, 490, 496, 527, 544, 560, 578, 595, 620, 640, 680, 784, 833, 868, 896, 952, 980, 992, 1054, 1085, 1088, 1120, 1156, 1190, 1240, 1360, 1445, 1519, 1568, 1666, 1736, 1904, 1960, 1984, 2023, 2108, 2170, 2176, 2240, 2312, 2380, 2480, 2635, 2720, 2890, 3038, 3136, 3332, 3472, 3689, 3808, 3920, 3968, 4046, 4165, 4216, 4340, 4480, 4624, 4760, 4960, 5270, 5440, 5780, 6076, 6272, 6664, 6944, 7378, 7595, 7616, 7840, 8092, 8330, 8432, 8680, 8959, 9248, 9520, 9920, 10115, 10540, 10880, 11560, 12152, 13328, 13888, 14161, 14756, 15190, 15232, 15680, 16184, 16660, 16864, 17360, 17918, 18445, 18496, 19040, 19840, 20230, 21080, 23120, 24304, 25823, 26656, 27776, 28322, 29512, 30380, 31360, 32368, 33320, 33728, 34720, 35836, 36890, 36992, 38080, 40460, 42160, 44795, 46240, 48608, 51646, 53312, 56644, 59024, 60760, 62713, 64736, 66640, 67456, 69440, 70805, 71672, 73780, 76160, 80920, 84320, 89590, 92480, 97216, 103292, 106624, 113288, 118048, 121520, 125426, 129115, 129472, 133280, 138880, 141610, 143344, 147560, 161840, 168640, 179180, 184960, 194432, 206584, 226576, 236096, 243040, 250852, 258230, 258944, 266560, 283220, 286688, 295120, 313565, 323680, 337280, 358360, 413168, 438991, 453152, 472192, 486080, 501704, 516460, 533120, 566440, 573376, 590240, 627130, 647360, 716720, 826336, 877982, 906304, 972160, 1003408, 1032920, 1132880, 1146752, 1180480, 1254260, 1294720, 1433440, 1652672, 1755964, 1812608, 2006816, 2065840, 2194955, 2265760, 2360960, 2508520, 2866880, 3305344, 3511928, 4013632, 4131680, 4389910, 4531520, 5017040, 5733760, 7023856, 8027264, 8263360, 8779820, 9063040, 10034080, 14047712, 16526720, 17559640, 20068160, 28095424, 35119280, 40136320, 56190848, 70238560, 140477120, 280954240]

約数ペア:

[(1, 280954240), (2, 140477120), (4, 70238560), (5, 56190848), (7, 40136320), (8, 35119280), (10, 28095424), (14, 20068160), (16, 17559640), (17, 16526720), (20, 14047712), (28, 10034080), (31, 9063040), (32, 8779820), (34, 8263360), (35, 8027264), (40, 7023856), (49, 5733760), (56, 5017040), (62, 4531520), (64, 4389910), (68, 4131680), (70, 4013632), (80, 3511928), (85, 3305344), (98, 2866880), (112, 2508520), (119, 2360960), (124, 2265760), (128, 2194955), (136, 2065840), (140, 2006816), (155, 1812608), (160, 1755964), (170, 1652672), (196, 1433440), (217, 1294720), (224, 1254260), (238, 1180480), (245, 1146752), (248, 1132880), (272, 1032920), (280, 1003408), (289, 972160), (310, 906304), (320, 877982), (340, 826336), (392, 716720), (434, 647360), (448, 627130), (476, 590240), (490, 573376), (496, 566440), (527, 533120), (544, 516460), (560, 501704), (578, 486080), (595, 472192), (620, 453152), (640, 438991), (680, 413168), (784, 358360), (833, 337280), (868, 323680), (896, 313565), (952, 295120), (980, 286688), (992, 283220), (1054, 266560), (1085, 258944), (1088, 258230), (1120, 250852), (1156, 243040), (1190, 236096), (1240, 226576), (1360, 206584), (1445, 194432), (1519, 184960), (1568, 179180), (1666, 168640), (1736, 161840), (1904, 147560), (1960, 143344), (1984, 141610), (2023, 138880), (2108, 133280), (2170, 129472), (2176, 129115), (2240, 125426), (2312, 121520), (2380, 118048), (2480, 113288), (2635, 106624), (2720, 103292), (2890, 97216), (3038, 92480), (3136, 89590), (3332, 84320), (3472, 80920), (3689, 76160), (3808, 73780), (3920, 71672), (3968, 70805), (4046, 69440), (4165, 67456), (4216, 66640), (4340, 64736), (4480, 62713), (4624, 60760), (4760, 59024), (4960, 56644), (5270, 53312), (5440, 51646), (5780, 48608), (6076, 46240), (6272, 44795), (6664, 42160), (6944, 40460), (7378, 38080), (7595, 36992), (7616, 36890), (7840, 35836), (8092, 34720), (8330, 33728), (8432, 33320), (8680, 32368), (8959, 31360), (9248, 30380), (9520, 29512), (9920, 28322), (10115, 27776), (10540, 26656), (10880, 25823), (11560, 24304), (12152, 23120), (13328, 21080), (13888, 20230), (14161, 19840), (14756, 19040), (15190, 18496), (15232, 18445), (15680, 17918), (16184, 17360), (16660, 16864)]