2020158400

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:320

約数の個数: 252

約数和(自身を含む): 5579327424

約数和(自身を除く): 3559169024

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 130, 155, 160, 169, 200, 208, 241, 248, 260, 310, 320, 325, 338, 400, 403, 416, 482, 496, 520, 620, 650, 676, 775, 800, 806, 832, 845, 964, 992, 1040, 1205, 1240, 1300, 1352, 1550, 1600, 1612, 1690, 1928, 1984, 2015, 2080, 2410, 2480, 2600, 2704, 3100, 3133, 3224, 3380, 3856, 4030, 4160, 4225, 4820, 4960, 5200, 5239, 5408, 6025, 6200, 6266, 6448, 6760, 7471, 7712, 8060, 8450, 9640, 9920, 10075, 10400, 10478, 10816, 12050, 12400, 12532, 12896, 13520, 14942, 15424, 15665, 16120, 16900, 19280, 20150, 20800, 20956, 24100, 24800, 25064, 25792, 26195, 27040, 29884, 31330, 32240, 33800, 37355, 38560, 40300, 40729, 41912, 48200, 49600, 50128, 52390, 54080, 59768, 62660, 64480, 67600, 74710, 77120, 78325, 80600, 81458, 83824, 96400, 97123, 100256, 104780, 119536, 125320, 128960, 130975, 135200, 149420, 156650, 161200, 162916, 167648, 186775, 192800, 194246, 200512, 203645, 209560, 239072, 250640, 261950, 270400, 298840, 313300, 322400, 325832, 335296, 373550, 385600, 388492, 407290, 419120, 478144, 485615, 501280, 523900, 597680, 626600, 644800, 651664, 747100, 776984, 814580, 838240, 971230, 1002560, 1018225, 1047800, 1195360, 1253200, 1262599, 1303328, 1494200, 1553968, 1629160, 1676480, 1942460, 2036450, 2095600, 2390720, 2428075, 2506400, 2525198, 2606656, 2988400, 3107936, 3258320, 3884920, 4072900, 4191200, 4856150, 5012800, 5050396, 5976800, 6215872, 6312995, 6516640, 7769840, 8145800, 8382400, 9712300, 10100792, 11953600, 12625990, 13033280, 15539680, 16291600, 19424600, 20201584, 25251980, 31079360, 31564975, 32583200, 38849200, 40403168, 50503960, 63129950, 65166400, 77698400, 80806336, 101007920, 126259900, 155396800, 202015840, 252519800, 404031680, 505039600, 1010079200, 2020158400]

約数ペア:

[(1, 2020158400), (2, 1010079200), (4, 505039600), (5, 404031680), (8, 252519800), (10, 202015840), (13, 155396800), (16, 126259900), (20, 101007920), (25, 80806336), (26, 77698400), (31, 65166400), (32, 63129950), (40, 50503960), (50, 40403168), (52, 38849200), (62, 32583200), (64, 31564975), (65, 31079360), (80, 25251980), (100, 20201584), (104, 19424600), (124, 16291600), (130, 15539680), (155, 13033280), (160, 12625990), (169, 11953600), (200, 10100792), (208, 9712300), (241, 8382400), (248, 8145800), (260, 7769840), (310, 6516640), (320, 6312995), (325, 6215872), (338, 5976800), (400, 5050396), (403, 5012800), (416, 4856150), (482, 4191200), (496, 4072900), (520, 3884920), (620, 3258320), (650, 3107936), (676, 2988400), (775, 2606656), (800, 2525198), (806, 2506400), (832, 2428075), (845, 2390720), (964, 2095600), (992, 2036450), (1040, 1942460), (1205, 1676480), (1240, 1629160), (1300, 1553968), (1352, 1494200), (1550, 1303328), (1600, 1262599), (1612, 1253200), (1690, 1195360), (1928, 1047800), (1984, 1018225), (2015, 1002560), (2080, 971230), (2410, 838240), (2480, 814580), (2600, 776984), (2704, 747100), (3100, 651664), (3133, 644800), (3224, 626600), (3380, 597680), (3856, 523900), (4030, 501280), (4160, 485615), (4225, 478144), (4820, 419120), (4960, 407290), (5200, 388492), (5239, 385600), (5408, 373550), (6025, 335296), (6200, 325832), (6266, 322400), (6448, 313300), (6760, 298840), (7471, 270400), (7712, 261950), (8060, 250640), (8450, 239072), (9640, 209560), (9920, 203645), (10075, 200512), (10400, 194246), (10478, 192800), (10816, 186775), (12050, 167648), (12400, 162916), (12532, 161200), (12896, 156650), (13520, 149420), (14942, 135200), (15424, 130975), (15665, 128960), (16120, 125320), (16900, 119536), (19280, 104780), (20150, 100256), (20800, 97123), (20956, 96400), (24100, 83824), (24800, 81458), (25064, 80600), (25792, 78325), (26195, 77120), (27040, 74710), (29884, 67600), (31330, 64480), (32240, 62660), (33800, 59768), (37355, 54080), (38560, 52390), (40300, 50128), (40729, 49600), (41912, 48200)]