18362880

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{797}}^1$

素因数の和:826

約数の個数: 120

約数和(自身を含む): 63675612

約数和(自身を除く): 45312732

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 797, 960, 1152, 1280, 1440, 1536, 1594, 1920, 2304, 2391, 2560, 2880, 3188, 3840, 3985, 4608, 4782, 5760, 6376, 7173, 7680, 7970, 9564, 11520, 11955, 12752, 14346, 15940, 19128, 23040, 23910, 25504, 28692, 31880, 35865, 38256, 47820, 51008, 57384, 63760, 71730, 76512, 95640, 102016, 114768, 127520, 143460, 153024, 191280, 204032, 229536, 255040, 286920, 306048, 382560, 408064, 459072, 510080, 573840, 612096, 765120, 918144, 1020160, 1147680, 1224192, 1530240, 1836288, 2040320, 2295360, 3060480, 3672576, 4590720, 6120960, 9181440, 18362880]

約数ペア:

[(1, 18362880), (2, 9181440), (3, 6120960), (4, 4590720), (5, 3672576), (6, 3060480), (8, 2295360), (9, 2040320), (10, 1836288), (12, 1530240), (15, 1224192), (16, 1147680), (18, 1020160), (20, 918144), (24, 765120), (30, 612096), (32, 573840), (36, 510080), (40, 459072), (45, 408064), (48, 382560), (60, 306048), (64, 286920), (72, 255040), (80, 229536), (90, 204032), (96, 191280), (120, 153024), (128, 143460), (144, 127520), (160, 114768), (180, 102016), (192, 95640), (240, 76512), (256, 71730), (288, 63760), (320, 57384), (360, 51008), (384, 47820), (480, 38256), (512, 35865), (576, 31880), (640, 28692), (720, 25504), (768, 23910), (797, 23040), (960, 19128), (1152, 15940), (1280, 14346), (1440, 12752), (1536, 11955), (1594, 11520), (1920, 9564), (2304, 7970), (2391, 7680), (2560, 7173), (2880, 6376), (3188, 5760), (3840, 4782), (3985, 4608)]