29720160

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{20639}}^1$

素因数の和:20660

約数の個数: 72

約数和(自身を含む): 101424960

約数和(自身を除く): 71704800

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 20639, 41278, 61917, 82556, 103195, 123834, 165112, 185751, 206390, 247668, 309585, 330224, 371502, 412780, 495336, 619170, 660448, 743004, 825560, 928755, 990672, 1238340, 1486008, 1651120, 1857510, 1981344, 2476680, 2972016, 3302240, 3715020, 4953360, 5944032, 7430040, 9906720, 14860080, 29720160]

約数ペア:

[(1, 29720160), (2, 14860080), (3, 9906720), (4, 7430040), (5, 5944032), (6, 4953360), (8, 3715020), (9, 3302240), (10, 2972016), (12, 2476680), (15, 1981344), (16, 1857510), (18, 1651120), (20, 1486008), (24, 1238340), (30, 990672), (32, 928755), (36, 825560), (40, 743004), (45, 660448), (48, 619170), (60, 495336), (72, 412780), (80, 371502), (90, 330224), (96, 309585), (120, 247668), (144, 206390), (160, 185751), (180, 165112), (240, 123834), (288, 103195), (360, 82556), (480, 61917), (720, 41278), (1440, 20639)]