248360840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 192

約数和(自身を含む): 720679680

約数和(自身を除く): 472318840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 71, 91, 104, 124, 130, 140, 142, 155, 182, 217, 248, 260, 280, 284, 310, 355, 364, 403, 434, 455, 497, 520, 568, 620, 710, 728, 806, 868, 910, 923, 961, 994, 1085, 1240, 1420, 1612, 1736, 1820, 1846, 1922, 1988, 2015, 2170, 2201, 2485, 2821, 2840, 3224, 3640, 3692, 3844, 3976, 4030, 4340, 4402, 4615, 4805, 4970, 5642, 6461, 6727, 7384, 7688, 8060, 8680, 8804, 9230, 9610, 9940, 11005, 11284, 12493, 12922, 13454, 14105, 15407, 16120, 17608, 18460, 19220, 19880, 22010, 22568, 24986, 25844, 26908, 28210, 28613, 30814, 32305, 33635, 36920, 38440, 44020, 49972, 51688, 53816, 56420, 57226, 61628, 62465, 64610, 67270, 68231, 77035, 87451, 88040, 99944, 112840, 114452, 123256, 124930, 129220, 134540, 136462, 143065, 154070, 174902, 200291, 228904, 249860, 258440, 269080, 272924, 286130, 308140, 341155, 349804, 400582, 437255, 477617, 499720, 545848, 572260, 616280, 682310, 699608, 801164, 874510, 887003, 955234, 1001455, 1144520, 1364620, 1602328, 1749020, 1774006, 1910468, 2002910, 2388085, 2729240, 3498040, 3548012, 3820936, 4005820, 4435015, 4776170, 6209021, 7096024, 8011640, 8870030, 9552340, 12418042, 17740060, 19104680, 24836084, 31045105, 35480120, 49672168, 62090210, 124180420, 248360840]

約数ペア:

[(1, 248360840), (2, 124180420), (4, 62090210), (5, 49672168), (7, 35480120), (8, 31045105), (10, 24836084), (13, 19104680), (14, 17740060), (20, 12418042), (26, 9552340), (28, 8870030), (31, 8011640), (35, 7096024), (40, 6209021), (52, 4776170), (56, 4435015), (62, 4005820), (65, 3820936), (70, 3548012), (71, 3498040), (91, 2729240), (104, 2388085), (124, 2002910), (130, 1910468), (140, 1774006), (142, 1749020), (155, 1602328), (182, 1364620), (217, 1144520), (248, 1001455), (260, 955234), (280, 887003), (284, 874510), (310, 801164), (355, 699608), (364, 682310), (403, 616280), (434, 572260), (455, 545848), (497, 499720), (520, 477617), (568, 437255), (620, 400582), (710, 349804), (728, 341155), (806, 308140), (868, 286130), (910, 272924), (923, 269080), (961, 258440), (994, 249860), (1085, 228904), (1240, 200291), (1420, 174902), (1612, 154070), (1736, 143065), (1820, 136462), (1846, 134540), (1922, 129220), (1988, 124930), (2015, 123256), (2170, 114452), (2201, 112840), (2485, 99944), (2821, 88040), (2840, 87451), (3224, 77035), (3640, 68231), (3692, 67270), (3844, 64610), (3976, 62465), (4030, 61628), (4340, 57226), (4402, 56420), (4615, 53816), (4805, 51688), (4970, 49972), (5642, 44020), (6461, 38440), (6727, 36920), (7384, 33635), (7688, 32305), (8060, 30814), (8680, 28613), (8804, 28210), (9230, 26908), (9610, 25844), (9940, 24986), (11005, 22568), (11284, 22010), (12493, 19880), (12922, 19220), (13454, 18460), (14105, 17608), (15407, 16120)]