28860000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:83

約数の個数: 240

約数和(自身を含む): 104703984

約数和(自身を除く): 75843984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 37, 39, 40, 48, 50, 52, 60, 65, 74, 75, 78, 80, 96, 100, 104, 111, 120, 125, 130, 148, 150, 156, 160, 185, 195, 200, 208, 222, 240, 250, 260, 296, 300, 312, 325, 370, 375, 390, 400, 416, 444, 480, 481, 500, 520, 555, 592, 600, 624, 625, 650, 740, 750, 780, 800, 888, 925, 962, 975, 1000, 1040, 1110, 1184, 1200, 1248, 1250, 1300, 1443, 1480, 1500, 1560, 1625, 1776, 1850, 1875, 1924, 1950, 2000, 2080, 2220, 2400, 2405, 2500, 2600, 2775, 2886, 2960, 3000, 3120, 3250, 3552, 3700, 3750, 3848, 3900, 4000, 4440, 4625, 4810, 4875, 5000, 5200, 5550, 5772, 5920, 6000, 6240, 6500, 7215, 7400, 7500, 7696, 7800, 8125, 8880, 9250, 9620, 9750, 10000, 10400, 11100, 11544, 12000, 12025, 13000, 13875, 14430, 14800, 15000, 15392, 15600, 16250, 17760, 18500, 19240, 19500, 20000, 22200, 23088, 23125, 24050, 24375, 26000, 27750, 28860, 29600, 30000, 31200, 32500, 36075, 37000, 38480, 39000, 44400, 46176, 46250, 48100, 48750, 52000, 55500, 57720, 60000, 60125, 65000, 69375, 72150, 74000, 76960, 78000, 88800, 92500, 96200, 97500, 111000, 115440, 120250, 130000, 138750, 144300, 148000, 156000, 180375, 185000, 192400, 195000, 222000, 230880, 240500, 260000, 277500, 288600, 300625, 360750, 370000, 384800, 390000, 444000, 481000, 555000, 577200, 601250, 721500, 740000, 780000, 901875, 962000, 1110000, 1154400, 1202500, 1443000, 1803750, 1924000, 2220000, 2405000, 2886000, 3607500, 4810000, 5772000, 7215000, 9620000, 14430000, 28860000]

約数ペア:

[(1, 28860000), (2, 14430000), (3, 9620000), (4, 7215000), (5, 5772000), (6, 4810000), (8, 3607500), (10, 2886000), (12, 2405000), (13, 2220000), (15, 1924000), (16, 1803750), (20, 1443000), (24, 1202500), (25, 1154400), (26, 1110000), (30, 962000), (32, 901875), (37, 780000), (39, 740000), (40, 721500), (48, 601250), (50, 577200), (52, 555000), (60, 481000), (65, 444000), (74, 390000), (75, 384800), (78, 370000), (80, 360750), (96, 300625), (100, 288600), (104, 277500), (111, 260000), (120, 240500), (125, 230880), (130, 222000), (148, 195000), (150, 192400), (156, 185000), (160, 180375), (185, 156000), (195, 148000), (200, 144300), (208, 138750), (222, 130000), (240, 120250), (250, 115440), (260, 111000), (296, 97500), (300, 96200), (312, 92500), (325, 88800), (370, 78000), (375, 76960), (390, 74000), (400, 72150), (416, 69375), (444, 65000), (480, 60125), (481, 60000), (500, 57720), (520, 55500), (555, 52000), (592, 48750), (600, 48100), (624, 46250), (625, 46176), (650, 44400), (740, 39000), (750, 38480), (780, 37000), (800, 36075), (888, 32500), (925, 31200), (962, 30000), (975, 29600), (1000, 28860), (1040, 27750), (1110, 26000), (1184, 24375), (1200, 24050), (1248, 23125), (1250, 23088), (1300, 22200), (1443, 20000), (1480, 19500), (1500, 19240), (1560, 18500), (1625, 17760), (1776, 16250), (1850, 15600), (1875, 15392), (1924, 15000), (1950, 14800), (2000, 14430), (2080, 13875), (2220, 13000), (2400, 12025), (2405, 12000), (2500, 11544), (2600, 11100), (2775, 10400), (2886, 10000), (2960, 9750), (3000, 9620), (3120, 9250), (3250, 8880), (3552, 8125), (3700, 7800), (3750, 7696), (3848, 7500), (3900, 7400), (4000, 7215), (4440, 6500), (4625, 6240), (4810, 6000), (4875, 5920), (5000, 5772), (5200, 5550)]