256915200

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{13381}}^1$

素因数の和:13410

約数の個数: 108

約数和(自身を含む): 847937048

約数和(自身を除く): 591021848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 600, 640, 768, 800, 960, 1200, 1280, 1600, 1920, 2400, 3200, 3840, 4800, 6400, 9600, 13381, 19200, 26762, 40143, 53524, 66905, 80286, 107048, 133810, 160572, 200715, 214096, 267620, 321144, 334525, 401430, 428192, 535240, 642288, 669050, 802860, 856384, 1003575, 1070480, 1284576, 1338100, 1605720, 1712768, 2007150, 2140960, 2569152, 2676200, 3211440, 3425536, 4014300, 4281920, 5138304, 5352400, 6422880, 8028600, 8563840, 10276608, 10704800, 12845760, 16057200, 17127680, 21409600, 25691520, 32114400, 42819200, 51383040, 64228800, 85638400, 128457600, 256915200]

約数ペア:

[(1, 256915200), (2, 128457600), (3, 85638400), (4, 64228800), (5, 51383040), (6, 42819200), (8, 32114400), (10, 25691520), (12, 21409600), (15, 17127680), (16, 16057200), (20, 12845760), (24, 10704800), (25, 10276608), (30, 8563840), (32, 8028600), (40, 6422880), (48, 5352400), (50, 5138304), (60, 4281920), (64, 4014300), (75, 3425536), (80, 3211440), (96, 2676200), (100, 2569152), (120, 2140960), (128, 2007150), (150, 1712768), (160, 1605720), (192, 1338100), (200, 1284576), (240, 1070480), (256, 1003575), (300, 856384), (320, 802860), (384, 669050), (400, 642288), (480, 535240), (600, 428192), (640, 401430), (768, 334525), (800, 321144), (960, 267620), (1200, 214096), (1280, 200715), (1600, 160572), (1920, 133810), (2400, 107048), (3200, 80286), (3840, 66905), (4800, 53524), (6400, 40143), (9600, 26762), (13381, 19200)]