18920160

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{1877}}^1$

素因数の和:1905

約数の個数: 144

約数和(自身を含む): 73827936

約数和(自身を除く): 54907776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 1877, 2016, 2520, 3360, 3754, 5040, 5631, 7508, 9385, 10080, 11262, 13139, 15016, 16893, 18770, 22524, 26278, 28155, 30032, 33786, 37540, 39417, 45048, 52556, 56310, 60064, 65695, 67572, 75080, 78834, 84465, 90096, 105112, 112620, 118251, 131390, 135144, 150160, 157668, 168930, 180192, 197085, 210224, 225240, 236502, 262780, 270288, 300320, 315336, 337860, 394170, 420448, 450480, 473004, 525560, 540576, 591255, 630672, 675720, 788340, 900960, 946008, 1051120, 1182510, 1261344, 1351440, 1576680, 1892016, 2102240, 2365020, 2702880, 3153360, 3784032, 4730040, 6306720, 9460080, 18920160]

約数ペア:

[(1, 18920160), (2, 9460080), (3, 6306720), (4, 4730040), (5, 3784032), (6, 3153360), (7, 2702880), (8, 2365020), (9, 2102240), (10, 1892016), (12, 1576680), (14, 1351440), (15, 1261344), (16, 1182510), (18, 1051120), (20, 946008), (21, 900960), (24, 788340), (28, 675720), (30, 630672), (32, 591255), (35, 540576), (36, 525560), (40, 473004), (42, 450480), (45, 420448), (48, 394170), (56, 337860), (60, 315336), (63, 300320), (70, 270288), (72, 262780), (80, 236502), (84, 225240), (90, 210224), (96, 197085), (105, 180192), (112, 168930), (120, 157668), (126, 150160), (140, 135144), (144, 131390), (160, 118251), (168, 112620), (180, 105112), (210, 90096), (224, 84465), (240, 78834), (252, 75080), (280, 67572), (288, 65695), (315, 60064), (336, 56310), (360, 52556), (420, 45048), (480, 39417), (504, 37540), (560, 33786), (630, 30032), (672, 28155), (720, 26278), (840, 22524), (1008, 18770), (1120, 16893), (1260, 15016), (1440, 13139), (1680, 11262), (1877, 10080), (2016, 9385), (2520, 7508), (3360, 5631), (3754, 5040)]