68216720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:193

約数の個数: 160

約数和(自身を含む): 191237760

約数和(自身を除く): 123021040

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 67, 80, 88, 89, 104, 110, 130, 134, 143, 176, 178, 208, 220, 260, 268, 286, 335, 356, 440, 445, 520, 536, 572, 670, 712, 715, 737, 871, 880, 890, 979, 1040, 1072, 1144, 1157, 1340, 1424, 1430, 1474, 1742, 1780, 1958, 2288, 2314, 2680, 2860, 2948, 3484, 3560, 3685, 3916, 4355, 4628, 4895, 5360, 5720, 5785, 5896, 5963, 6968, 7120, 7370, 7832, 8710, 9256, 9581, 9790, 11440, 11570, 11792, 11926, 12727, 13936, 14740, 15664, 17420, 18512, 19162, 19580, 23140, 23852, 25454, 29480, 29815, 34840, 38324, 39160, 46280, 47704, 47905, 50908, 58960, 59630, 63635, 65593, 69680, 76648, 77519, 78320, 92560, 95408, 95810, 101816, 119260, 127270, 131186, 153296, 155038, 191620, 203632, 238520, 254540, 262372, 310076, 327965, 383240, 387595, 477040, 509080, 524744, 620152, 655930, 766480, 775190, 852709, 1018160, 1049488, 1240304, 1311860, 1550380, 1705418, 2623720, 3100760, 3410836, 4263545, 5247440, 6201520, 6821672, 8527090, 13643344, 17054180, 34108360, 68216720]

約数ペア:

[(1, 68216720), (2, 34108360), (4, 17054180), (5, 13643344), (8, 8527090), (10, 6821672), (11, 6201520), (13, 5247440), (16, 4263545), (20, 3410836), (22, 3100760), (26, 2623720), (40, 1705418), (44, 1550380), (52, 1311860), (55, 1240304), (65, 1049488), (67, 1018160), (80, 852709), (88, 775190), (89, 766480), (104, 655930), (110, 620152), (130, 524744), (134, 509080), (143, 477040), (176, 387595), (178, 383240), (208, 327965), (220, 310076), (260, 262372), (268, 254540), (286, 238520), (335, 203632), (356, 191620), (440, 155038), (445, 153296), (520, 131186), (536, 127270), (572, 119260), (670, 101816), (712, 95810), (715, 95408), (737, 92560), (871, 78320), (880, 77519), (890, 76648), (979, 69680), (1040, 65593), (1072, 63635), (1144, 59630), (1157, 58960), (1340, 50908), (1424, 47905), (1430, 47704), (1474, 46280), (1742, 39160), (1780, 38324), (1958, 34840), (2288, 29815), (2314, 29480), (2680, 25454), (2860, 23852), (2948, 23140), (3484, 19580), (3560, 19162), (3685, 18512), (3916, 17420), (4355, 15664), (4628, 14740), (4895, 13936), (5360, 12727), (5720, 11926), (5785, 11792), (5896, 11570), (5963, 11440), (6968, 9790), (7120, 9581), (7370, 9256), (7832, 8710)]