64665600

素因数分解:

$2^{11}\times 3^1\times 5^2\times {\mathrm{421}}^1$

素因数の和:456

約数の個数: 144

約数和(自身を含む): 214283160

約数和(自身を除く): 149617560

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, 421, 480, 512, 600, 640, 768, 800, 842, 960, 1024, 1200, 1263, 1280, 1536, 1600, 1684, 1920, 2048, 2105, 2400, 2526, 2560, 3072, 3200, 3368, 3840, 4210, 4800, 5052, 5120, 6144, 6315, 6400, 6736, 7680, 8420, 9600, 10104, 10240, 10525, 12630, 12800, 13472, 15360, 16840, 19200, 20208, 21050, 25260, 25600, 26944, 30720, 31575, 33680, 38400, 40416, 42100, 50520, 51200, 53888, 63150, 67360, 76800, 80832, 84200, 101040, 107776, 126300, 134720, 153600, 161664, 168400, 202080, 215552, 252600, 269440, 323328, 336800, 404160, 431104, 505200, 538880, 646656, 673600, 808320, 862208, 1010400, 1077760, 1293312, 1347200, 1616640, 2020800, 2155520, 2586624, 2694400, 3233280, 4041600, 4311040, 5388800, 6466560, 8083200, 10777600, 12933120, 16166400, 21555200, 32332800, 64665600]

約数ペア:

[(1, 64665600), (2, 32332800), (3, 21555200), (4, 16166400), (5, 12933120), (6, 10777600), (8, 8083200), (10, 6466560), (12, 5388800), (15, 4311040), (16, 4041600), (20, 3233280), (24, 2694400), (25, 2586624), (30, 2155520), (32, 2020800), (40, 1616640), (48, 1347200), (50, 1293312), (60, 1077760), (64, 1010400), (75, 862208), (80, 808320), (96, 673600), (100, 646656), (120, 538880), (128, 505200), (150, 431104), (160, 404160), (192, 336800), (200, 323328), (240, 269440), (256, 252600), (300, 215552), (320, 202080), (384, 168400), (400, 161664), (421, 153600), (480, 134720), (512, 126300), (600, 107776), (640, 101040), (768, 84200), (800, 80832), (842, 76800), (960, 67360), (1024, 63150), (1200, 53888), (1263, 51200), (1280, 50520), (1536, 42100), (1600, 40416), (1684, 38400), (1920, 33680), (2048, 31575), (2105, 30720), (2400, 26944), (2526, 25600), (2560, 25260), (3072, 21050), (3200, 20208), (3368, 19200), (3840, 16840), (4210, 15360), (4800, 13472), (5052, 12800), (5120, 12630), (6144, 10525), (6315, 10240), (6400, 10104), (6736, 9600), (7680, 8420)]