215100000

素因数分解:

$2^5\times 3^2\times 5^5\times {\mathrm{239}}^1$

素因数の和:280

約数の個数: 216

約数和(自身を含む): 767763360

約数和(自身を除く): 552663360

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, 90, 96, 100, 120, 125, 144, 150, 160, 180, 200, 225, 239, 240, 250, 288, 300, 360, 375, 400, 450, 478, 480, 500, 600, 625, 717, 720, 750, 800, 900, 956, 1000, 1125, 1195, 1200, 1250, 1434, 1440, 1500, 1800, 1875, 1912, 2000, 2151, 2250, 2390, 2400, 2500, 2868, 3000, 3125, 3585, 3600, 3750, 3824, 4000, 4302, 4500, 4780, 5000, 5625, 5736, 5975, 6000, 6250, 7170, 7200, 7500, 7648, 8604, 9000, 9375, 9560, 10000, 10755, 11250, 11472, 11950, 12000, 12500, 14340, 15000, 17208, 17925, 18000, 18750, 19120, 20000, 21510, 22500, 22944, 23900, 25000, 28125, 28680, 29875, 30000, 34416, 35850, 36000, 37500, 38240, 43020, 45000, 47800, 50000, 53775, 56250, 57360, 59750, 60000, 68832, 71700, 75000, 86040, 89625, 90000, 95600, 100000, 107550, 112500, 114720, 119500, 143400, 149375, 150000, 172080, 179250, 180000, 191200, 215100, 225000, 239000, 268875, 286800, 298750, 300000, 344160, 358500, 430200, 448125, 450000, 478000, 537750, 573600, 597500, 717000, 746875, 860400, 896250, 900000, 956000, 1075500, 1195000, 1344375, 1434000, 1493750, 1720800, 1792500, 2151000, 2240625, 2390000, 2688750, 2868000, 2987500, 3585000, 4302000, 4481250, 4780000, 5377500, 5975000, 6721875, 7170000, 8604000, 8962500, 10755000, 11950000, 13443750, 14340000, 17925000, 21510000, 23900000, 26887500, 35850000, 43020000, 53775000, 71700000, 107550000, 215100000]

約数ペア:

[(1, 215100000), (2, 107550000), (3, 71700000), (4, 53775000), (5, 43020000), (6, 35850000), (8, 26887500), (9, 23900000), (10, 21510000), (12, 17925000), (15, 14340000), (16, 13443750), (18, 11950000), (20, 10755000), (24, 8962500), (25, 8604000), (30, 7170000), (32, 6721875), (36, 5975000), (40, 5377500), (45, 4780000), (48, 4481250), (50, 4302000), (60, 3585000), (72, 2987500), (75, 2868000), (80, 2688750), (90, 2390000), (96, 2240625), (100, 2151000), (120, 1792500), (125, 1720800), (144, 1493750), (150, 1434000), (160, 1344375), (180, 1195000), (200, 1075500), (225, 956000), (239, 900000), (240, 896250), (250, 860400), (288, 746875), (300, 717000), (360, 597500), (375, 573600), (400, 537750), (450, 478000), (478, 450000), (480, 448125), (500, 430200), (600, 358500), (625, 344160), (717, 300000), (720, 298750), (750, 286800), (800, 268875), (900, 239000), (956, 225000), (1000, 215100), (1125, 191200), (1195, 180000), (1200, 179250), (1250, 172080), (1434, 150000), (1440, 149375), (1500, 143400), (1800, 119500), (1875, 114720), (1912, 112500), (2000, 107550), (2151, 100000), (2250, 95600), (2390, 90000), (2400, 89625), (2500, 86040), (2868, 75000), (3000, 71700), (3125, 68832), (3585, 60000), (3600, 59750), (3750, 57360), (3824, 56250), (4000, 53775), (4302, 50000), (4500, 47800), (4780, 45000), (5000, 43020), (5625, 38240), (5736, 37500), (5975, 36000), (6000, 35850), (6250, 34416), (7170, 30000), (7200, 29875), (7500, 28680), (7648, 28125), (8604, 25000), (9000, 23900), (9375, 22944), (9560, 22500), (10000, 21510), (10755, 20000), (11250, 19120), (11472, 18750), (11950, 18000), (12000, 17925), (12500, 17208), (14340, 15000)]