25648020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1601}}^1$

素因数の和:1705

約数の個数: 72

約数和(自身を含む): 78722280

約数和(自身を除く): 53074260

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, 1601, 1602, 1780, 2670, 3202, 3204, 4005, 4803, 5340, 6404, 8005, 8010, 9606, 14409, 16010, 16020, 19212, 24015, 28818, 32020, 48030, 57636, 72045, 96060, 142489, 144090, 284978, 288180, 427467, 569956, 712445, 854934, 1282401, 1424890, 1709868, 2137335, 2564802, 2849780, 4274670, 5129604, 6412005, 8549340, 12824010, 25648020]

約数ペア:

[(1, 25648020), (2, 12824010), (3, 8549340), (4, 6412005), (5, 5129604), (6, 4274670), (9, 2849780), (10, 2564802), (12, 2137335), (15, 1709868), (18, 1424890), (20, 1282401), (30, 854934), (36, 712445), (45, 569956), (60, 427467), (89, 288180), (90, 284978), (178, 144090), (180, 142489), (267, 96060), (356, 72045), (445, 57636), (534, 48030), (801, 32020), (890, 28818), (1068, 24015), (1335, 19212), (1601, 16020), (1602, 16010), (1780, 14409), (2670, 9606), (3202, 8010), (3204, 8005), (4005, 6404), (4803, 5340)]