20289360240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{1997}}^1$

素因数の和:2256

約数の個数: 240

約数和(自身を含む): 69336865728

約数和(自身を除く): 49047505488

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 103, 120, 137, 144, 180, 206, 240, 274, 309, 360, 411, 412, 515, 548, 618, 685, 720, 822, 824, 927, 1030, 1096, 1233, 1236, 1370, 1545, 1644, 1648, 1854, 1997, 2055, 2060, 2192, 2466, 2472, 2740, 3090, 3288, 3708, 3994, 4110, 4120, 4635, 4932, 4944, 5480, 5991, 6165, 6180, 6576, 7416, 7988, 8220, 8240, 9270, 9864, 9985, 10960, 11982, 12330, 12360, 14111, 14832, 15976, 16440, 17973, 18540, 19728, 19970, 23964, 24660, 24720, 28222, 29955, 31952, 32880, 35946, 37080, 39940, 42333, 47928, 49320, 56444, 59910, 70555, 71892, 74160, 79880, 84666, 89865, 95856, 98640, 112888, 119820, 126999, 141110, 143784, 159760, 169332, 179730, 205691, 211665, 225776, 239640, 253998, 273589, 282220, 287568, 338664, 359460, 411382, 423330, 479280, 507996, 547178, 564440, 617073, 634995, 677328, 718920, 820767, 822764, 846660, 1015992, 1028455, 1094356, 1128880, 1234146, 1269990, 1367945, 1437840, 1641534, 1645528, 1693320, 1851219, 2031984, 2056910, 2188712, 2462301, 2468292, 2539980, 2735890, 3085365, 3283068, 3291056, 3386640, 3702438, 4103835, 4113820, 4377424, 4924602, 4936584, 5079960, 5471780, 6170730, 6566136, 7404876, 8207670, 8227640, 9256095, 9849204, 9873168, 10159920, 10943560, 12311505, 12341460, 13132272, 14809752, 16415340, 16455280, 18512190, 19698408, 21887120, 24623010, 24682920, 28179667, 29619504, 32830680, 37024380, 39396816, 49246020, 49365840, 56359334, 65661360, 74048760, 84539001, 98492040, 112718668, 140898335, 148097520, 169078002, 196984080, 225437336, 253617003, 281796670, 338156004, 422695005, 450874672, 507234006, 563593340, 676312008, 845390010, 1014468012, 1127186680, 1268085015, 1352624016, 1690780020, 2028936024, 2254373360, 2536170030, 3381560040, 4057872048, 5072340060, 6763120080, 10144680120, 20289360240]

約数ペア:

[(1, 20289360240), (2, 10144680120), (3, 6763120080), (4, 5072340060), (5, 4057872048), (6, 3381560040), (8, 2536170030), (9, 2254373360), (10, 2028936024), (12, 1690780020), (15, 1352624016), (16, 1268085015), (18, 1127186680), (20, 1014468012), (24, 845390010), (30, 676312008), (36, 563593340), (40, 507234006), (45, 450874672), (48, 422695005), (60, 338156004), (72, 281796670), (80, 253617003), (90, 225437336), (103, 196984080), (120, 169078002), (137, 148097520), (144, 140898335), (180, 112718668), (206, 98492040), (240, 84539001), (274, 74048760), (309, 65661360), (360, 56359334), (411, 49365840), (412, 49246020), (515, 39396816), (548, 37024380), (618, 32830680), (685, 29619504), (720, 28179667), (822, 24682920), (824, 24623010), (927, 21887120), (1030, 19698408), (1096, 18512190), (1233, 16455280), (1236, 16415340), (1370, 14809752), (1545, 13132272), (1644, 12341460), (1648, 12311505), (1854, 10943560), (1997, 10159920), (2055, 9873168), (2060, 9849204), (2192, 9256095), (2466, 8227640), (2472, 8207670), (2740, 7404876), (3090, 6566136), (3288, 6170730), (3708, 5471780), (3994, 5079960), (4110, 4936584), (4120, 4924602), (4635, 4377424), (4932, 4113820), (4944, 4103835), (5480, 3702438), (5991, 3386640), (6165, 3291056), (6180, 3283068), (6576, 3085365), (7416, 2735890), (7988, 2539980), (8220, 2468292), (8240, 2462301), (9270, 2188712), (9864, 2056910), (9985, 2031984), (10960, 1851219), (11982, 1693320), (12330, 1645528), (12360, 1641534), (14111, 1437840), (14832, 1367945), (15976, 1269990), (16440, 1234146), (17973, 1128880), (18540, 1094356), (19728, 1028455), (19970, 1015992), (23964, 846660), (24660, 822764), (24720, 820767), (28222, 718920), (29955, 677328), (31952, 634995), (32880, 617073), (35946, 564440), (37080, 547178), (39940, 507996), (42333, 479280), (47928, 423330), (49320, 411382), (56444, 359460), (59910, 338664), (70555, 287568), (71892, 282220), (74160, 273589), (79880, 253998), (84666, 239640), (89865, 225776), (95856, 211665), (98640, 205691), (112888, 179730), (119820, 169332), (126999, 159760), (141110, 143784)]