15661440

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{2719}}^1$

素因数の和:2744

約数の個数: 96

約数和(自身を含む): 54100800

約数和(自身を除く): 38439360

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, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2719, 2880, 5438, 5760, 8157, 10876, 13595, 16314, 21752, 24471, 27190, 32628, 40785, 43504, 48942, 54380, 65256, 81570, 87008, 97884, 108760, 122355, 130512, 163140, 174016, 195768, 217520, 244710, 261024, 326280, 348032, 391536, 435040, 489420, 522048, 652560, 783072, 870080, 978840, 1044096, 1305120, 1566144, 1740160, 1957680, 2610240, 3132288, 3915360, 5220480, 7830720, 15661440]

約数ペア:

[(1, 15661440), (2, 7830720), (3, 5220480), (4, 3915360), (5, 3132288), (6, 2610240), (8, 1957680), (9, 1740160), (10, 1566144), (12, 1305120), (15, 1044096), (16, 978840), (18, 870080), (20, 783072), (24, 652560), (30, 522048), (32, 489420), (36, 435040), (40, 391536), (45, 348032), (48, 326280), (60, 261024), (64, 244710), (72, 217520), (80, 195768), (90, 174016), (96, 163140), (120, 130512), (128, 122355), (144, 108760), (160, 97884), (180, 87008), (192, 81570), (240, 65256), (288, 54380), (320, 48942), (360, 43504), (384, 40785), (480, 32628), (576, 27190), (640, 24471), (720, 21752), (960, 16314), (1152, 13595), (1440, 10876), (1920, 8157), (2719, 5760), (2880, 5438)]