80100000

素因数分解:

$2^5\times 3^2\times 5^5\times {\mathrm{89}}^1$

素因数の和:130

約数の個数: 216

約数和(自身を含む): 287911260

約数和(自身を除く): 207811260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 89, 90, 96, 100, 120, 125, 144, 150, 160, 178, 180, 200, 225, 240, 250, 267, 288, 300, 356, 360, 375, 400, 445, 450, 480, 500, 534, 600, 625, 712, 720, 750, 800, 801, 890, 900, 1000, 1068, 1125, 1200, 1250, 1335, 1424, 1440, 1500, 1602, 1780, 1800, 1875, 2000, 2136, 2225, 2250, 2400, 2500, 2670, 2848, 3000, 3125, 3204, 3560, 3600, 3750, 4000, 4005, 4272, 4450, 4500, 5000, 5340, 5625, 6000, 6250, 6408, 6675, 7120, 7200, 7500, 8010, 8544, 8900, 9000, 9375, 10000, 10680, 11125, 11250, 12000, 12500, 12816, 13350, 14240, 15000, 16020, 17800, 18000, 18750, 20000, 20025, 21360, 22250, 22500, 25000, 25632, 26700, 28125, 30000, 32040, 33375, 35600, 36000, 37500, 40050, 42720, 44500, 45000, 50000, 53400, 55625, 56250, 60000, 64080, 66750, 71200, 75000, 80100, 89000, 90000, 100000, 100125, 106800, 111250, 112500, 128160, 133500, 150000, 160200, 166875, 178000, 180000, 200250, 213600, 222500, 225000, 267000, 278125, 300000, 320400, 333750, 356000, 400500, 445000, 450000, 500625, 534000, 556250, 640800, 667500, 801000, 834375, 890000, 900000, 1001250, 1068000, 1112500, 1335000, 1602000, 1668750, 1780000, 2002500, 2225000, 2503125, 2670000, 3204000, 3337500, 4005000, 4450000, 5006250, 5340000, 6675000, 8010000, 8900000, 10012500, 13350000, 16020000, 20025000, 26700000, 40050000, 80100000]

約数ペア:

[(1, 80100000), (2, 40050000), (3, 26700000), (4, 20025000), (5, 16020000), (6, 13350000), (8, 10012500), (9, 8900000), (10, 8010000), (12, 6675000), (15, 5340000), (16, 5006250), (18, 4450000), (20, 4005000), (24, 3337500), (25, 3204000), (30, 2670000), (32, 2503125), (36, 2225000), (40, 2002500), (45, 1780000), (48, 1668750), (50, 1602000), (60, 1335000), (72, 1112500), (75, 1068000), (80, 1001250), (89, 900000), (90, 890000), (96, 834375), (100, 801000), (120, 667500), (125, 640800), (144, 556250), (150, 534000), (160, 500625), (178, 450000), (180, 445000), (200, 400500), (225, 356000), (240, 333750), (250, 320400), (267, 300000), (288, 278125), (300, 267000), (356, 225000), (360, 222500), (375, 213600), (400, 200250), (445, 180000), (450, 178000), (480, 166875), (500, 160200), (534, 150000), (600, 133500), (625, 128160), (712, 112500), (720, 111250), (750, 106800), (800, 100125), (801, 100000), (890, 90000), (900, 89000), (1000, 80100), (1068, 75000), (1125, 71200), (1200, 66750), (1250, 64080), (1335, 60000), (1424, 56250), (1440, 55625), (1500, 53400), (1602, 50000), (1780, 45000), (1800, 44500), (1875, 42720), (2000, 40050), (2136, 37500), (2225, 36000), (2250, 35600), (2400, 33375), (2500, 32040), (2670, 30000), (2848, 28125), (3000, 26700), (3125, 25632), (3204, 25000), (3560, 22500), (3600, 22250), (3750, 21360), (4000, 20025), (4005, 20000), (4272, 18750), (4450, 18000), (4500, 17800), (5000, 16020), (5340, 15000), (5625, 14240), (6000, 13350), (6250, 12816), (6408, 12500), (6675, 12000), (7120, 11250), (7200, 11125), (7500, 10680), (8010, 10000), (8544, 9375), (8900, 9000)]