1242359720

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 256

約数和(自身を含む): 3538944000

約数和(自身を除く): 2296584280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 49, 56, 62, 70, 92, 98, 115, 124, 127, 140, 155, 161, 184, 196, 217, 230, 245, 248, 254, 280, 310, 322, 343, 392, 434, 460, 490, 508, 620, 635, 644, 686, 713, 805, 868, 889, 920, 980, 1016, 1085, 1127, 1240, 1270, 1288, 1372, 1426, 1519, 1610, 1715, 1736, 1778, 1960, 2170, 2254, 2540, 2744, 2852, 2921, 3038, 3220, 3430, 3556, 3565, 3937, 4340, 4445, 4508, 4991, 5080, 5635, 5704, 5842, 6076, 6223, 6440, 6860, 7112, 7130, 7595, 7874, 7889, 8680, 8890, 9016, 9982, 10633, 11270, 11684, 12152, 12446, 13720, 14260, 14605, 15190, 15748, 15778, 17780, 19685, 19964, 20447, 21266, 22540, 23368, 24892, 24955, 27559, 28520, 29210, 30380, 31115, 31496, 31556, 34937, 35560, 39370, 39445, 39928, 40894, 42532, 43561, 45080, 49784, 49910, 53165, 55118, 58420, 60760, 62230, 63112, 69874, 78740, 78890, 81788, 85064, 87122, 90551, 99820, 102235, 106330, 110236, 116840, 124460, 137795, 139748, 143129, 157480, 157780, 163576, 174244, 174685, 181102, 192913, 199640, 204470, 212660, 217805, 220472, 244559, 248920, 275590, 279496, 286258, 315560, 348488, 349370, 362204, 385826, 408940, 425320, 435610, 452755, 489118, 551180, 572516, 633857, 698740, 715645, 724408, 771652, 817880, 871220, 905510, 964565, 978236, 1001903, 1102360, 1145032, 1222795, 1267714, 1350391, 1397480, 1431290, 1543304, 1742440, 1811020, 1929130, 1956472, 2003806, 2445590, 2535428, 2700782, 2862580, 3169285, 3622040, 3858260, 4007612, 4436999, 4891180, 5009515, 5070856, 5401564, 5725160, 6338570, 6751955, 7716520, 8015224, 8873998, 9782360, 10019030, 10803128, 12677140, 13503910, 17747996, 20038060, 22184995, 25354280, 27007820, 31058993, 35495992, 40076120, 44369990, 54015640, 62117986, 88739980, 124235972, 155294965, 177479960, 248471944, 310589930, 621179860, 1242359720]

約数ペア:

[(1, 1242359720), (2, 621179860), (4, 310589930), (5, 248471944), (7, 177479960), (8, 155294965), (10, 124235972), (14, 88739980), (20, 62117986), (23, 54015640), (28, 44369990), (31, 40076120), (35, 35495992), (40, 31058993), (46, 27007820), (49, 25354280), (56, 22184995), (62, 20038060), (70, 17747996), (92, 13503910), (98, 12677140), (115, 10803128), (124, 10019030), (127, 9782360), (140, 8873998), (155, 8015224), (161, 7716520), (184, 6751955), (196, 6338570), (217, 5725160), (230, 5401564), (245, 5070856), (248, 5009515), (254, 4891180), (280, 4436999), (310, 4007612), (322, 3858260), (343, 3622040), (392, 3169285), (434, 2862580), (460, 2700782), (490, 2535428), (508, 2445590), (620, 2003806), (635, 1956472), (644, 1929130), (686, 1811020), (713, 1742440), (805, 1543304), (868, 1431290), (889, 1397480), (920, 1350391), (980, 1267714), (1016, 1222795), (1085, 1145032), (1127, 1102360), (1240, 1001903), (1270, 978236), (1288, 964565), (1372, 905510), (1426, 871220), (1519, 817880), (1610, 771652), (1715, 724408), (1736, 715645), (1778, 698740), (1960, 633857), (2170, 572516), (2254, 551180), (2540, 489118), (2744, 452755), (2852, 435610), (2921, 425320), (3038, 408940), (3220, 385826), (3430, 362204), (3556, 349370), (3565, 348488), (3937, 315560), (4340, 286258), (4445, 279496), (4508, 275590), (4991, 248920), (5080, 244559), (5635, 220472), (5704, 217805), (5842, 212660), (6076, 204470), (6223, 199640), (6440, 192913), (6860, 181102), (7112, 174685), (7130, 174244), (7595, 163576), (7874, 157780), (7889, 157480), (8680, 143129), (8890, 139748), (9016, 137795), (9982, 124460), (10633, 116840), (11270, 110236), (11684, 106330), (12152, 102235), (12446, 99820), (13720, 90551), (14260, 87122), (14605, 85064), (15190, 81788), (15748, 78890), (15778, 78740), (17780, 69874), (19685, 63112), (19964, 62230), (20447, 60760), (21266, 58420), (22540, 55118), (23368, 53165), (24892, 49910), (24955, 49784), (27559, 45080), (28520, 43561), (29210, 42532), (30380, 40894), (31115, 39928), (31496, 39445), (31556, 39370), (34937, 35560)]