26545140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1657}}^1$

素因数の和:1761

約数の個数: 72

約数和(自身を含む): 81474120

約数和(自身を除く): 54928980

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, 1657, 1780, 2670, 3204, 3314, 4005, 4971, 5340, 6628, 8010, 8285, 9942, 14913, 16020, 16570, 19884, 24855, 29826, 33140, 49710, 59652, 74565, 99420, 147473, 149130, 294946, 298260, 442419, 589892, 737365, 884838, 1327257, 1474730, 1769676, 2212095, 2654514, 2949460, 4424190, 5309028, 6636285, 8848380, 13272570, 26545140]

約数ペア:

[(1, 26545140), (2, 13272570), (3, 8848380), (4, 6636285), (5, 5309028), (6, 4424190), (9, 2949460), (10, 2654514), (12, 2212095), (15, 1769676), (18, 1474730), (20, 1327257), (30, 884838), (36, 737365), (45, 589892), (60, 442419), (89, 298260), (90, 294946), (178, 149130), (180, 147473), (267, 99420), (356, 74565), (445, 59652), (534, 49710), (801, 33140), (890, 29826), (1068, 24855), (1335, 19884), (1602, 16570), (1657, 16020), (1780, 14913), (2670, 9942), (3204, 8285), (3314, 8010), (4005, 6628), (4971, 5340)]