249928020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{15601}}^1$

素因数の和:15705

約数の個数: 72

約数和(自身を含む): 766682280

約数和(自身を除く): 516754260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 8010, 15601, 16020, 31202, 46803, 62404, 78005, 93606, 140409, 156010, 187212, 234015, 280818, 312020, 468030, 561636, 702045, 936060, 1388489, 1404090, 2776978, 2808180, 4165467, 5553956, 6942445, 8330934, 12496401, 13884890, 16661868, 20827335, 24992802, 27769780, 41654670, 49985604, 62482005, 83309340, 124964010, 249928020]

約数ペア:

[(1, 249928020), (2, 124964010), (3, 83309340), (4, 62482005), (5, 49985604), (6, 41654670), (9, 27769780), (10, 24992802), (12, 20827335), (15, 16661868), (18, 13884890), (20, 12496401), (30, 8330934), (36, 6942445), (45, 5553956), (60, 4165467), (89, 2808180), (90, 2776978), (178, 1404090), (180, 1388489), (267, 936060), (356, 702045), (445, 561636), (534, 468030), (801, 312020), (890, 280818), (1068, 234015), (1335, 187212), (1602, 156010), (1780, 140409), (2670, 93606), (3204, 78005), (4005, 62404), (5340, 46803), (8010, 31202), (15601, 16020)]