256015200

素因数分解:

$2^5\times 3^1\times 5^2\times 7^3\times {\mathrm{311}}^1$

素因数の和:355

約数の個数: 288

約数和(自身を含む): 974937600

約数和(自身を除く): 718922400

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, 49, 50, 56, 60, 70, 75, 80, 84, 96, 98, 100, 105, 112, 120, 140, 147, 150, 160, 168, 175, 196, 200, 210, 224, 240, 245, 280, 294, 300, 311, 336, 343, 350, 392, 400, 420, 480, 490, 525, 560, 588, 600, 622, 672, 686, 700, 735, 784, 800, 840, 933, 980, 1029, 1050, 1120, 1176, 1200, 1225, 1244, 1372, 1400, 1470, 1555, 1568, 1680, 1715, 1866, 1960, 2058, 2100, 2177, 2352, 2400, 2450, 2488, 2744, 2800, 2940, 3110, 3360, 3430, 3675, 3732, 3920, 4116, 4200, 4354, 4665, 4704, 4900, 4976, 5145, 5488, 5600, 5880, 6220, 6531, 6860, 7350, 7464, 7775, 7840, 8232, 8400, 8575, 8708, 9330, 9800, 9952, 10290, 10885, 10976, 11760, 12440, 13062, 13720, 14700, 14928, 15239, 15550, 16464, 16800, 17150, 17416, 18660, 19600, 20580, 21770, 23325, 23520, 24880, 25725, 26124, 27440, 29400, 29856, 30478, 31100, 32655, 32928, 34300, 34832, 37320, 39200, 41160, 43540, 45717, 46650, 49760, 51450, 52248, 54425, 54880, 58800, 60956, 62200, 65310, 68600, 69664, 74640, 76195, 82320, 87080, 91434, 93300, 102900, 104496, 106673, 108850, 117600, 121912, 124400, 130620, 137200, 149280, 152390, 163275, 164640, 174160, 182868, 186600, 205800, 208992, 213346, 217700, 228585, 243824, 248800, 261240, 274400, 304780, 320019, 326550, 348320, 365736, 373200, 380975, 411600, 426692, 435400, 457170, 487648, 522480, 533365, 609560, 640038, 653100, 731472, 746400, 761950, 823200, 853384, 870800, 914340, 1044960, 1066730, 1142925, 1219120, 1280076, 1306200, 1462944, 1523900, 1600095, 1706768, 1741600, 1828680, 2133460, 2285850, 2438240, 2560152, 2612400, 2666825, 3047800, 3200190, 3413536, 3657360, 4266920, 4571700, 5120304, 5224800, 5333650, 6095600, 6400380, 7314720, 8000475, 8533840, 9143400, 10240608, 10667300, 12191200, 12800760, 16000950, 17067680, 18286800, 21334600, 25601520, 32001900, 36573600, 42669200, 51203040, 64003800, 85338400, 128007600, 256015200]

約数ペア:

[(1, 256015200), (2, 128007600), (3, 85338400), (4, 64003800), (5, 51203040), (6, 42669200), (7, 36573600), (8, 32001900), (10, 25601520), (12, 21334600), (14, 18286800), (15, 17067680), (16, 16000950), (20, 12800760), (21, 12191200), (24, 10667300), (25, 10240608), (28, 9143400), (30, 8533840), (32, 8000475), (35, 7314720), (40, 6400380), (42, 6095600), (48, 5333650), (49, 5224800), (50, 5120304), (56, 4571700), (60, 4266920), (70, 3657360), (75, 3413536), (80, 3200190), (84, 3047800), (96, 2666825), (98, 2612400), (100, 2560152), (105, 2438240), (112, 2285850), (120, 2133460), (140, 1828680), (147, 1741600), (150, 1706768), (160, 1600095), (168, 1523900), (175, 1462944), (196, 1306200), (200, 1280076), (210, 1219120), (224, 1142925), (240, 1066730), (245, 1044960), (280, 914340), (294, 870800), (300, 853384), (311, 823200), (336, 761950), (343, 746400), (350, 731472), (392, 653100), (400, 640038), (420, 609560), (480, 533365), (490, 522480), (525, 487648), (560, 457170), (588, 435400), (600, 426692), (622, 411600), (672, 380975), (686, 373200), (700, 365736), (735, 348320), (784, 326550), (800, 320019), (840, 304780), (933, 274400), (980, 261240), (1029, 248800), (1050, 243824), (1120, 228585), (1176, 217700), (1200, 213346), (1225, 208992), (1244, 205800), (1372, 186600), (1400, 182868), (1470, 174160), (1555, 164640), (1568, 163275), (1680, 152390), (1715, 149280), (1866, 137200), (1960, 130620), (2058, 124400), (2100, 121912), (2177, 117600), (2352, 108850), (2400, 106673), (2450, 104496), (2488, 102900), (2744, 93300), (2800, 91434), (2940, 87080), (3110, 82320), (3360, 76195), (3430, 74640), (3675, 69664), (3732, 68600), (3920, 65310), (4116, 62200), (4200, 60956), (4354, 58800), (4665, 54880), (4704, 54425), (4900, 52248), (4976, 51450), (5145, 49760), (5488, 46650), (5600, 45717), (5880, 43540), (6220, 41160), (6531, 39200), (6860, 37320), (7350, 34832), (7464, 34300), (7775, 32928), (7840, 32655), (8232, 31100), (8400, 30478), (8575, 29856), (8708, 29400), (9330, 27440), (9800, 26124), (9952, 25725), (10290, 24880), (10885, 23520), (10976, 23325), (11760, 21770), (12440, 20580), (13062, 19600), (13720, 18660), (14700, 17416), (14928, 17150), (15239, 16800), (15550, 16464)]