21968640

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{1907}}^1$

素因数の和:1934

約数の個数: 108

約数和(自身を含む): 76049064

約数和(自身を除く): 54080424

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, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1907, 1920, 2304, 2880, 3814, 3840, 5721, 5760, 7628, 9535, 11442, 11520, 15256, 17163, 19070, 22884, 28605, 30512, 34326, 38140, 45768, 57210, 61024, 68652, 76280, 85815, 91536, 114420, 122048, 137304, 152560, 171630, 183072, 228840, 244096, 274608, 305120, 343260, 366144, 457680, 488192, 549216, 610240, 686520, 732288, 915360, 1098432, 1220480, 1373040, 1464576, 1830720, 2196864, 2440960, 2746080, 3661440, 4393728, 5492160, 7322880, 10984320, 21968640]

約数ペア:

[(1, 21968640), (2, 10984320), (3, 7322880), (4, 5492160), (5, 4393728), (6, 3661440), (8, 2746080), (9, 2440960), (10, 2196864), (12, 1830720), (15, 1464576), (16, 1373040), (18, 1220480), (20, 1098432), (24, 915360), (30, 732288), (32, 686520), (36, 610240), (40, 549216), (45, 488192), (48, 457680), (60, 366144), (64, 343260), (72, 305120), (80, 274608), (90, 244096), (96, 228840), (120, 183072), (128, 171630), (144, 152560), (160, 137304), (180, 122048), (192, 114420), (240, 91536), (256, 85815), (288, 76280), (320, 68652), (360, 61024), (384, 57210), (480, 45768), (576, 38140), (640, 34326), (720, 30512), (768, 28605), (960, 22884), (1152, 19070), (1280, 17163), (1440, 15256), (1907, 11520), (1920, 11442), (2304, 9535), (2880, 7628), (3814, 5760), (3840, 5721)]