40416000

素因数分解:

$2^8\times 3^1\times 5^3\times {\mathrm{421}}^1$

素因数の和:455

約数の個数: 144

約数和(自身を含む): 134560608

約数和(自身を除く): 94144608

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, 421, 480, 500, 600, 640, 750, 768, 800, 842, 960, 1000, 1200, 1263, 1280, 1500, 1600, 1684, 1920, 2000, 2105, 2400, 2526, 3000, 3200, 3368, 3840, 4000, 4210, 4800, 5052, 6000, 6315, 6400, 6736, 8000, 8420, 9600, 10104, 10525, 12000, 12630, 13472, 16000, 16840, 19200, 20208, 21050, 24000, 25260, 26944, 31575, 32000, 33680, 40416, 42100, 48000, 50520, 52625, 53888, 63150, 67360, 80832, 84200, 96000, 101040, 105250, 107776, 126300, 134720, 157875, 161664, 168400, 202080, 210500, 252600, 269440, 315750, 323328, 336800, 404160, 421000, 505200, 538880, 631500, 673600, 808320, 842000, 1010400, 1263000, 1347200, 1616640, 1684000, 2020800, 2526000, 2694400, 3368000, 4041600, 5052000, 6736000, 8083200, 10104000, 13472000, 20208000, 40416000]

約数ペア:

[(1, 40416000), (2, 20208000), (3, 13472000), (4, 10104000), (5, 8083200), (6, 6736000), (8, 5052000), (10, 4041600), (12, 3368000), (15, 2694400), (16, 2526000), (20, 2020800), (24, 1684000), (25, 1616640), (30, 1347200), (32, 1263000), (40, 1010400), (48, 842000), (50, 808320), (60, 673600), (64, 631500), (75, 538880), (80, 505200), (96, 421000), (100, 404160), (120, 336800), (125, 323328), (128, 315750), (150, 269440), (160, 252600), (192, 210500), (200, 202080), (240, 168400), (250, 161664), (256, 157875), (300, 134720), (320, 126300), (375, 107776), (384, 105250), (400, 101040), (421, 96000), (480, 84200), (500, 80832), (600, 67360), (640, 63150), (750, 53888), (768, 52625), (800, 50520), (842, 48000), (960, 42100), (1000, 40416), (1200, 33680), (1263, 32000), (1280, 31575), (1500, 26944), (1600, 25260), (1684, 24000), (1920, 21050), (2000, 20208), (2105, 19200), (2400, 16840), (2526, 16000), (3000, 13472), (3200, 12630), (3368, 12000), (3840, 10525), (4000, 10104), (4210, 9600), (4800, 8420), (5052, 8000), (6000, 6736), (6315, 6400)]