30720000

素因数分解:

$2^{14}\times 3^1\times 5^4$

素因数の和:51

約数の個数: 150

約数和(自身を含む): 102364108

約数和(自身を除く): 71644108

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, 125, 128, 150, 160, 192, 200, 240, 250, 256, 300, 320, 375, 384, 400, 480, 500, 512, 600, 625, 640, 750, 768, 800, 960, 1000, 1024, 1200, 1250, 1280, 1500, 1536, 1600, 1875, 1920, 2000, 2048, 2400, 2500, 2560, 3000, 3072, 3200, 3750, 3840, 4000, 4096, 4800, 5000, 5120, 6000, 6144, 6400, 7500, 7680, 8000, 8192, 9600, 10000, 10240, 12000, 12288, 12800, 15000, 15360, 16000, 16384, 19200, 20000, 20480, 24000, 24576, 25600, 30000, 30720, 32000, 38400, 40000, 40960, 48000, 49152, 51200, 60000, 61440, 64000, 76800, 80000, 81920, 96000, 102400, 120000, 122880, 128000, 153600, 160000, 192000, 204800, 240000, 245760, 256000, 307200, 320000, 384000, 409600, 480000, 512000, 614400, 640000, 768000, 960000, 1024000, 1228800, 1280000, 1536000, 1920000, 2048000, 2560000, 3072000, 3840000, 5120000, 6144000, 7680000, 10240000, 15360000, 30720000]

約数ペア:

[(1, 30720000), (2, 15360000), (3, 10240000), (4, 7680000), (5, 6144000), (6, 5120000), (8, 3840000), (10, 3072000), (12, 2560000), (15, 2048000), (16, 1920000), (20, 1536000), (24, 1280000), (25, 1228800), (30, 1024000), (32, 960000), (40, 768000), (48, 640000), (50, 614400), (60, 512000), (64, 480000), (75, 409600), (80, 384000), (96, 320000), (100, 307200), (120, 256000), (125, 245760), (128, 240000), (150, 204800), (160, 192000), (192, 160000), (200, 153600), (240, 128000), (250, 122880), (256, 120000), (300, 102400), (320, 96000), (375, 81920), (384, 80000), (400, 76800), (480, 64000), (500, 61440), (512, 60000), (600, 51200), (625, 49152), (640, 48000), (750, 40960), (768, 40000), (800, 38400), (960, 32000), (1000, 30720), (1024, 30000), (1200, 25600), (1250, 24576), (1280, 24000), (1500, 20480), (1536, 20000), (1600, 19200), (1875, 16384), (1920, 16000), (2000, 15360), (2048, 15000), (2400, 12800), (2500, 12288), (2560, 12000), (3000, 10240), (3072, 10000), (3200, 9600), (3750, 8192), (3840, 8000), (4000, 7680), (4096, 7500), (4800, 6400), (5000, 6144), (5120, 6000)]