18136420000

素因数分解:

$2^5\times 5^4\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:585

約数の個数: 240

約数和(自身を含む): 47187645120

約数和(自身を除く): 29051225120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 89, 92, 100, 115, 125, 160, 178, 184, 200, 230, 250, 356, 368, 400, 443, 445, 460, 500, 575, 625, 712, 736, 800, 886, 890, 920, 1000, 1150, 1250, 1424, 1772, 1780, 1840, 2000, 2047, 2215, 2225, 2300, 2500, 2848, 2875, 3544, 3560, 3680, 4000, 4094, 4430, 4450, 4600, 5000, 5750, 7088, 7120, 8188, 8860, 8900, 9200, 10000, 10189, 10235, 11075, 11125, 11500, 14176, 14240, 14375, 16376, 17720, 17800, 18400, 20000, 20378, 20470, 22150, 22250, 23000, 28750, 32752, 35440, 35600, 39427, 40756, 40940, 44300, 44500, 46000, 50945, 51175, 55375, 55625, 57500, 65504, 70880, 71200, 78854, 81512, 81880, 88600, 89000, 92000, 101890, 102350, 110750, 111250, 115000, 157708, 163024, 163760, 177200, 178000, 197135, 203780, 204700, 221500, 222500, 230000, 254725, 255875, 276875, 315416, 326048, 327520, 354400, 356000, 394270, 407560, 409400, 443000, 445000, 460000, 509450, 511750, 553750, 630832, 788540, 815120, 818800, 886000, 890000, 906821, 985675, 1018900, 1023500, 1107500, 1261664, 1273625, 1279375, 1577080, 1630240, 1637600, 1772000, 1780000, 1813642, 1971350, 2037800, 2047000, 2215000, 2547250, 2558750, 3154160, 3627284, 3942700, 4075600, 4094000, 4430000, 4534105, 4928375, 5094500, 5117500, 6308320, 6368125, 7254568, 7885400, 8151200, 8188000, 8860000, 9068210, 9856750, 10189000, 10235000, 12736250, 14509136, 15770800, 18136420, 19713500, 20378000, 20470000, 22670525, 24641875, 25472500, 29018272, 31541600, 36272840, 39427000, 40756000, 40940000, 45341050, 49283750, 50945000, 72545680, 78854000, 90682100, 98567500, 101890000, 113352625, 145091360, 157708000, 181364200, 197135000, 203780000, 226705250, 362728400, 394270000, 453410500, 566763125, 725456800, 788540000, 906821000, 1133526250, 1813642000, 2267052500, 3627284000, 4534105000, 9068210000, 18136420000]

約数ペア:

[(1, 18136420000), (2, 9068210000), (4, 4534105000), (5, 3627284000), (8, 2267052500), (10, 1813642000), (16, 1133526250), (20, 906821000), (23, 788540000), (25, 725456800), (32, 566763125), (40, 453410500), (46, 394270000), (50, 362728400), (80, 226705250), (89, 203780000), (92, 197135000), (100, 181364200), (115, 157708000), (125, 145091360), (160, 113352625), (178, 101890000), (184, 98567500), (200, 90682100), (230, 78854000), (250, 72545680), (356, 50945000), (368, 49283750), (400, 45341050), (443, 40940000), (445, 40756000), (460, 39427000), (500, 36272840), (575, 31541600), (625, 29018272), (712, 25472500), (736, 24641875), (800, 22670525), (886, 20470000), (890, 20378000), (920, 19713500), (1000, 18136420), (1150, 15770800), (1250, 14509136), (1424, 12736250), (1772, 10235000), (1780, 10189000), (1840, 9856750), (2000, 9068210), (2047, 8860000), (2215, 8188000), (2225, 8151200), (2300, 7885400), (2500, 7254568), (2848, 6368125), (2875, 6308320), (3544, 5117500), (3560, 5094500), (3680, 4928375), (4000, 4534105), (4094, 4430000), (4430, 4094000), (4450, 4075600), (4600, 3942700), (5000, 3627284), (5750, 3154160), (7088, 2558750), (7120, 2547250), (8188, 2215000), (8860, 2047000), (8900, 2037800), (9200, 1971350), (10000, 1813642), (10189, 1780000), (10235, 1772000), (11075, 1637600), (11125, 1630240), (11500, 1577080), (14176, 1279375), (14240, 1273625), (14375, 1261664), (16376, 1107500), (17720, 1023500), (17800, 1018900), (18400, 985675), (20000, 906821), (20378, 890000), (20470, 886000), (22150, 818800), (22250, 815120), (23000, 788540), (28750, 630832), (32752, 553750), (35440, 511750), (35600, 509450), (39427, 460000), (40756, 445000), (40940, 443000), (44300, 409400), (44500, 407560), (46000, 394270), (50945, 356000), (51175, 354400), (55375, 327520), (55625, 326048), (57500, 315416), (65504, 276875), (70880, 255875), (71200, 254725), (78854, 230000), (81512, 222500), (81880, 221500), (88600, 204700), (89000, 203780), (92000, 197135), (101890, 178000), (102350, 177200), (110750, 163760), (111250, 163024), (115000, 157708)]