256442880

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{33391}}^1$

素因数の和:33417

約数の個数: 80

約数和(自身を含む): 819840384

約数和(自身を除く): 563397504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 33391, 66782, 100173, 133564, 166955, 200346, 267128, 333910, 400692, 500865, 534256, 667820, 801384, 1001730, 1068512, 1335640, 1602768, 2003460, 2137024, 2671280, 3205536, 4006920, 4274048, 5342560, 6411072, 8013840, 8548096, 10685120, 12822144, 16027680, 17096192, 21370240, 25644288, 32055360, 42740480, 51288576, 64110720, 85480960, 128221440, 256442880]

約数ペア:

[(1, 256442880), (2, 128221440), (3, 85480960), (4, 64110720), (5, 51288576), (6, 42740480), (8, 32055360), (10, 25644288), (12, 21370240), (15, 17096192), (16, 16027680), (20, 12822144), (24, 10685120), (30, 8548096), (32, 8013840), (40, 6411072), (48, 5342560), (60, 4274048), (64, 4006920), (80, 3205536), (96, 2671280), (120, 2137024), (128, 2003460), (160, 1602768), (192, 1335640), (240, 1068512), (256, 1001730), (320, 801384), (384, 667820), (480, 534256), (512, 500865), (640, 400692), (768, 333910), (960, 267128), (1280, 200346), (1536, 166955), (1920, 133564), (2560, 100173), (3840, 66782), (7680, 33391)]