56081480

素因数分解:

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

素因数の和:140

約数の個数: 192

約数和(自身を含む): 165473280

約数和(自身を除く): 109391800

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 49, 52, 56, 62, 65, 70, 71, 91, 98, 104, 124, 130, 140, 142, 155, 182, 196, 217, 245, 248, 260, 280, 284, 310, 355, 364, 392, 403, 434, 455, 490, 497, 520, 568, 620, 637, 710, 728, 806, 868, 910, 923, 980, 994, 1085, 1240, 1274, 1420, 1519, 1612, 1736, 1820, 1846, 1960, 1988, 2015, 2170, 2201, 2485, 2548, 2821, 2840, 3038, 3185, 3224, 3479, 3640, 3692, 3976, 4030, 4340, 4402, 4615, 4970, 5096, 5642, 6076, 6370, 6461, 6958, 7384, 7595, 8060, 8680, 8804, 9230, 9940, 11005, 11284, 12152, 12740, 12922, 13916, 14105, 15190, 15407, 16120, 17395, 17608, 18460, 19747, 19880, 22010, 22568, 25480, 25844, 27832, 28210, 28613, 30380, 30814, 32305, 34790, 36920, 39494, 44020, 45227, 51688, 56420, 57226, 60760, 61628, 64610, 69580, 77035, 78988, 88040, 90454, 98735, 107849, 112840, 114452, 123256, 129220, 139160, 143065, 154070, 157976, 180908, 197470, 200291, 215698, 226135, 228904, 258440, 286130, 308140, 361816, 394940, 400582, 431396, 452270, 539245, 572260, 616280, 789880, 801164, 862792, 904540, 1001455, 1078490, 1144520, 1402037, 1602328, 1809080, 2002910, 2156980, 2804074, 4005820, 4313960, 5608148, 7010185, 8011640, 11216296, 14020370, 28040740, 56081480]

約数ペア:

[(1, 56081480), (2, 28040740), (4, 14020370), (5, 11216296), (7, 8011640), (8, 7010185), (10, 5608148), (13, 4313960), (14, 4005820), (20, 2804074), (26, 2156980), (28, 2002910), (31, 1809080), (35, 1602328), (40, 1402037), (49, 1144520), (52, 1078490), (56, 1001455), (62, 904540), (65, 862792), (70, 801164), (71, 789880), (91, 616280), (98, 572260), (104, 539245), (124, 452270), (130, 431396), (140, 400582), (142, 394940), (155, 361816), (182, 308140), (196, 286130), (217, 258440), (245, 228904), (248, 226135), (260, 215698), (280, 200291), (284, 197470), (310, 180908), (355, 157976), (364, 154070), (392, 143065), (403, 139160), (434, 129220), (455, 123256), (490, 114452), (497, 112840), (520, 107849), (568, 98735), (620, 90454), (637, 88040), (710, 78988), (728, 77035), (806, 69580), (868, 64610), (910, 61628), (923, 60760), (980, 57226), (994, 56420), (1085, 51688), (1240, 45227), (1274, 44020), (1420, 39494), (1519, 36920), (1612, 34790), (1736, 32305), (1820, 30814), (1846, 30380), (1960, 28613), (1988, 28210), (2015, 27832), (2170, 25844), (2201, 25480), (2485, 22568), (2548, 22010), (2821, 19880), (2840, 19747), (3038, 18460), (3185, 17608), (3224, 17395), (3479, 16120), (3640, 15407), (3692, 15190), (3976, 14105), (4030, 13916), (4340, 12922), (4402, 12740), (4615, 12152), (4970, 11284), (5096, 11005), (5642, 9940), (6076, 9230), (6370, 8804), (6461, 8680), (6958, 8060), (7384, 7595)]