20123688000

素因数分解:

$2^6\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{64499}}^1$

素因数の和:64542

約数の個数: 224

約数和(自身を含む): 71560944000

約数和(自身を除く): 51437256000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 64, 65, 75, 78, 80, 96, 100, 104, 120, 125, 130, 150, 156, 160, 192, 195, 200, 208, 240, 250, 260, 300, 312, 320, 325, 375, 390, 400, 416, 480, 500, 520, 600, 624, 650, 750, 780, 800, 832, 960, 975, 1000, 1040, 1200, 1248, 1300, 1500, 1560, 1600, 1625, 1950, 2000, 2080, 2400, 2496, 2600, 3000, 3120, 3250, 3900, 4000, 4160, 4800, 4875, 5200, 6000, 6240, 6500, 7800, 8000, 9750, 10400, 12000, 12480, 13000, 15600, 19500, 20800, 24000, 26000, 31200, 39000, 52000, 62400, 64499, 78000, 104000, 128998, 156000, 193497, 257996, 312000, 322495, 386994, 515992, 644990, 773988, 838487, 967485, 1031984, 1289980, 1547976, 1612475, 1676974, 1934970, 2063968, 2515461, 2579960, 3095952, 3224950, 3353948, 3869940, 4127936, 4192435, 4837425, 5030922, 5159920, 6191904, 6449900, 6707896, 7739880, 8062375, 8384870, 9674850, 10061844, 10319840, 12383808, 12577305, 12899800, 13415792, 15479760, 16124750, 16769740, 19349700, 20123688, 20639680, 20962175, 24187125, 25154610, 25799600, 26831584, 30959520, 32249500, 33539480, 38699400, 40247376, 41924350, 48374250, 50309220, 51599200, 53663168, 61919040, 62886525, 64499000, 67078960, 77398800, 80494752, 83848700, 96748500, 100618440, 103198400, 104810875, 125773050, 128998000, 134157920, 154797600, 160989504, 167697400, 193497000, 201236880, 209621750, 251546100, 257996000, 268315840, 309595200, 314432625, 335394800, 386994000, 402473760, 419243500, 503092200, 515992000, 628865250, 670789600, 773988000, 804947520, 838487000, 1006184400, 1257730500, 1341579200, 1547976000, 1676974000, 2012368800, 2515461000, 3353948000, 4024737600, 5030922000, 6707896000, 10061844000, 20123688000]

約数ペア:

[(1, 20123688000), (2, 10061844000), (3, 6707896000), (4, 5030922000), (5, 4024737600), (6, 3353948000), (8, 2515461000), (10, 2012368800), (12, 1676974000), (13, 1547976000), (15, 1341579200), (16, 1257730500), (20, 1006184400), (24, 838487000), (25, 804947520), (26, 773988000), (30, 670789600), (32, 628865250), (39, 515992000), (40, 503092200), (48, 419243500), (50, 402473760), (52, 386994000), (60, 335394800), (64, 314432625), (65, 309595200), (75, 268315840), (78, 257996000), (80, 251546100), (96, 209621750), (100, 201236880), (104, 193497000), (120, 167697400), (125, 160989504), (130, 154797600), (150, 134157920), (156, 128998000), (160, 125773050), (192, 104810875), (195, 103198400), (200, 100618440), (208, 96748500), (240, 83848700), (250, 80494752), (260, 77398800), (300, 67078960), (312, 64499000), (320, 62886525), (325, 61919040), (375, 53663168), (390, 51599200), (400, 50309220), (416, 48374250), (480, 41924350), (500, 40247376), (520, 38699400), (600, 33539480), (624, 32249500), (650, 30959520), (750, 26831584), (780, 25799600), (800, 25154610), (832, 24187125), (960, 20962175), (975, 20639680), (1000, 20123688), (1040, 19349700), (1200, 16769740), (1248, 16124750), (1300, 15479760), (1500, 13415792), (1560, 12899800), (1600, 12577305), (1625, 12383808), (1950, 10319840), (2000, 10061844), (2080, 9674850), (2400, 8384870), (2496, 8062375), (2600, 7739880), (3000, 6707896), (3120, 6449900), (3250, 6191904), (3900, 5159920), (4000, 5030922), (4160, 4837425), (4800, 4192435), (4875, 4127936), (5200, 3869940), (6000, 3353948), (6240, 3224950), (6500, 3095952), (7800, 2579960), (8000, 2515461), (9750, 2063968), (10400, 1934970), (12000, 1676974), (12480, 1612475), (13000, 1547976), (15600, 1289980), (19500, 1031984), (20800, 967485), (24000, 838487), (26000, 773988), (31200, 644990), (39000, 515992), (52000, 386994), (62400, 322495), (64499, 312000), (78000, 257996), (104000, 193497), (128998, 156000)]