220920000

素因数分解:

$2^6\times 3^1\times 5^4\times 7^1\times {\mathrm{263}}^1$

素因数の和:305

約数の個数: 280

約数和(自身を含む): 837931776

約数和(自身を除く): 617011776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 125, 140, 150, 160, 168, 175, 192, 200, 210, 224, 240, 250, 263, 280, 300, 320, 336, 350, 375, 400, 420, 448, 480, 500, 525, 526, 560, 600, 625, 672, 700, 750, 789, 800, 840, 875, 960, 1000, 1050, 1052, 1120, 1200, 1250, 1315, 1344, 1400, 1500, 1578, 1600, 1680, 1750, 1841, 1875, 2000, 2100, 2104, 2240, 2400, 2500, 2625, 2630, 2800, 3000, 3156, 3360, 3500, 3682, 3750, 3945, 4000, 4200, 4208, 4375, 4800, 5000, 5250, 5260, 5523, 5600, 6000, 6312, 6575, 6720, 7000, 7364, 7500, 7890, 8000, 8400, 8416, 8750, 9205, 10000, 10500, 10520, 11046, 11200, 12000, 12624, 13125, 13150, 14000, 14728, 15000, 15780, 16800, 16832, 17500, 18410, 19725, 20000, 21000, 21040, 22092, 24000, 25248, 26250, 26300, 27615, 28000, 29456, 30000, 31560, 32875, 33600, 35000, 36820, 39450, 40000, 42000, 42080, 44184, 46025, 50496, 52500, 52600, 55230, 56000, 58912, 60000, 63120, 65750, 70000, 73640, 78900, 84000, 84160, 88368, 92050, 98625, 105000, 105200, 110460, 117824, 120000, 126240, 131500, 138075, 140000, 147280, 157800, 164375, 168000, 176736, 184100, 197250, 210000, 210400, 220920, 230125, 252480, 263000, 276150, 280000, 294560, 315600, 328750, 353472, 368200, 394500, 420000, 420800, 441840, 460250, 493125, 526000, 552300, 589120, 631200, 657500, 690375, 736400, 789000, 840000, 883680, 920500, 986250, 1052000, 1104600, 1150625, 1262400, 1315000, 1380750, 1472800, 1578000, 1767360, 1841000, 1972500, 2104000, 2209200, 2301250, 2630000, 2761500, 2945600, 3156000, 3451875, 3682000, 3945000, 4418400, 4602500, 5260000, 5523000, 6312000, 6903750, 7364000, 7890000, 8836800, 9205000, 10520000, 11046000, 13807500, 14728000, 15780000, 18410000, 22092000, 27615000, 31560000, 36820000, 44184000, 55230000, 73640000, 110460000, 220920000]

約数ペア:

[(1, 220920000), (2, 110460000), (3, 73640000), (4, 55230000), (5, 44184000), (6, 36820000), (7, 31560000), (8, 27615000), (10, 22092000), (12, 18410000), (14, 15780000), (15, 14728000), (16, 13807500), (20, 11046000), (21, 10520000), (24, 9205000), (25, 8836800), (28, 7890000), (30, 7364000), (32, 6903750), (35, 6312000), (40, 5523000), (42, 5260000), (48, 4602500), (50, 4418400), (56, 3945000), (60, 3682000), (64, 3451875), (70, 3156000), (75, 2945600), (80, 2761500), (84, 2630000), (96, 2301250), (100, 2209200), (105, 2104000), (112, 1972500), (120, 1841000), (125, 1767360), (140, 1578000), (150, 1472800), (160, 1380750), (168, 1315000), (175, 1262400), (192, 1150625), (200, 1104600), (210, 1052000), (224, 986250), (240, 920500), (250, 883680), (263, 840000), (280, 789000), (300, 736400), (320, 690375), (336, 657500), (350, 631200), (375, 589120), (400, 552300), (420, 526000), (448, 493125), (480, 460250), (500, 441840), (525, 420800), (526, 420000), (560, 394500), (600, 368200), (625, 353472), (672, 328750), (700, 315600), (750, 294560), (789, 280000), (800, 276150), (840, 263000), (875, 252480), (960, 230125), (1000, 220920), (1050, 210400), (1052, 210000), (1120, 197250), (1200, 184100), (1250, 176736), (1315, 168000), (1344, 164375), (1400, 157800), (1500, 147280), (1578, 140000), (1600, 138075), (1680, 131500), (1750, 126240), (1841, 120000), (1875, 117824), (2000, 110460), (2100, 105200), (2104, 105000), (2240, 98625), (2400, 92050), (2500, 88368), (2625, 84160), (2630, 84000), (2800, 78900), (3000, 73640), (3156, 70000), (3360, 65750), (3500, 63120), (3682, 60000), (3750, 58912), (3945, 56000), (4000, 55230), (4200, 52600), (4208, 52500), (4375, 50496), (4800, 46025), (5000, 44184), (5250, 42080), (5260, 42000), (5523, 40000), (5600, 39450), (6000, 36820), (6312, 35000), (6575, 33600), (6720, 32875), (7000, 31560), (7364, 30000), (7500, 29456), (7890, 28000), (8000, 27615), (8400, 26300), (8416, 26250), (8750, 25248), (9205, 24000), (10000, 22092), (10500, 21040), (10520, 21000), (11046, 20000), (11200, 19725), (12000, 18410), (12624, 17500), (13125, 16832), (13150, 16800), (14000, 15780), (14728, 15000)]