261936720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{121267}}^1$

素因数の和:121289

約数の個数: 80

約数和(自身を含む): 902233920

約数和(自身を除く): 640297200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 121267, 242534, 363801, 485068, 606335, 727602, 970136, 1091403, 1212670, 1455204, 1819005, 1940272, 2182806, 2425340, 2910408, 3274209, 3638010, 4365612, 4850680, 5457015, 5820816, 6548418, 7276020, 8731224, 9701360, 10914030, 13096836, 14552040, 16371045, 17462448, 21828060, 26193672, 29104080, 32742090, 43656120, 52387344, 65484180, 87312240, 130968360, 261936720]

約数ペア:

[(1, 261936720), (2, 130968360), (3, 87312240), (4, 65484180), (5, 52387344), (6, 43656120), (8, 32742090), (9, 29104080), (10, 26193672), (12, 21828060), (15, 17462448), (16, 16371045), (18, 14552040), (20, 13096836), (24, 10914030), (27, 9701360), (30, 8731224), (36, 7276020), (40, 6548418), (45, 5820816), (48, 5457015), (54, 4850680), (60, 4365612), (72, 3638010), (80, 3274209), (90, 2910408), (108, 2425340), (120, 2182806), (135, 1940272), (144, 1819005), (180, 1455204), (216, 1212670), (240, 1091403), (270, 970136), (360, 727602), (432, 606335), (540, 485068), (720, 363801), (1080, 242534), (2160, 121267)]