256242000

素因数分解:

$2^4\times 3^1\times 5^3\times 7^1\times {\mathrm{6101}}^1$

素因数の和:6134

約数の個数: 160

約数和(自身を含む): 944296704

約数和(自身を除く): 688054704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 125, 140, 150, 168, 175, 200, 210, 240, 250, 280, 300, 336, 350, 375, 400, 420, 500, 525, 560, 600, 700, 750, 840, 875, 1000, 1050, 1200, 1400, 1500, 1680, 1750, 2000, 2100, 2625, 2800, 3000, 3500, 4200, 5250, 6000, 6101, 7000, 8400, 10500, 12202, 14000, 18303, 21000, 24404, 30505, 36606, 42000, 42707, 48808, 61010, 73212, 85414, 91515, 97616, 122020, 128121, 146424, 152525, 170828, 183030, 213535, 244040, 256242, 292848, 305050, 341656, 366060, 427070, 457575, 488080, 512484, 610100, 640605, 683312, 732120, 762625, 854140, 915150, 1024968, 1067675, 1220200, 1281210, 1464240, 1525250, 1708280, 1830300, 2049936, 2135350, 2287875, 2440400, 2562420, 3050500, 3203025, 3416560, 3660600, 4270700, 4575750, 5124840, 5338375, 6101000, 6406050, 7321200, 8541400, 9151500, 10249680, 10676750, 12202000, 12812100, 16015125, 17082800, 18303000, 21353500, 25624200, 32030250, 36606000, 42707000, 51248400, 64060500, 85414000, 128121000, 256242000]

約数ペア:

[(1, 256242000), (2, 128121000), (3, 85414000), (4, 64060500), (5, 51248400), (6, 42707000), (7, 36606000), (8, 32030250), (10, 25624200), (12, 21353500), (14, 18303000), (15, 17082800), (16, 16015125), (20, 12812100), (21, 12202000), (24, 10676750), (25, 10249680), (28, 9151500), (30, 8541400), (35, 7321200), (40, 6406050), (42, 6101000), (48, 5338375), (50, 5124840), (56, 4575750), (60, 4270700), (70, 3660600), (75, 3416560), (80, 3203025), (84, 3050500), (100, 2562420), (105, 2440400), (112, 2287875), (120, 2135350), (125, 2049936), (140, 1830300), (150, 1708280), (168, 1525250), (175, 1464240), (200, 1281210), (210, 1220200), (240, 1067675), (250, 1024968), (280, 915150), (300, 854140), (336, 762625), (350, 732120), (375, 683312), (400, 640605), (420, 610100), (500, 512484), (525, 488080), (560, 457575), (600, 427070), (700, 366060), (750, 341656), (840, 305050), (875, 292848), (1000, 256242), (1050, 244040), (1200, 213535), (1400, 183030), (1500, 170828), (1680, 152525), (1750, 146424), (2000, 128121), (2100, 122020), (2625, 97616), (2800, 91515), (3000, 85414), (3500, 73212), (4200, 61010), (5250, 48808), (6000, 42707), (6101, 42000), (7000, 36606), (8400, 30505), (10500, 24404), (12202, 21000), (14000, 18303)]