402000840

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{372223}}^1$

素因数の和:372243

約数の個数: 64

約数和(自身を含む): 1340006400

約数和(自身を除く): 938005560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 372223, 744446, 1116669, 1488892, 1861115, 2233338, 2977784, 3350007, 3722230, 4466676, 5583345, 6700014, 7444460, 8933352, 10050021, 11166690, 13400028, 14888920, 16750035, 20100042, 22333380, 26800056, 33500070, 40200084, 44666760, 50250105, 67000140, 80400168, 100500210, 134000280, 201000420, 402000840]

約数ペア:

[(1, 402000840), (2, 201000420), (3, 134000280), (4, 100500210), (5, 80400168), (6, 67000140), (8, 50250105), (9, 44666760), (10, 40200084), (12, 33500070), (15, 26800056), (18, 22333380), (20, 20100042), (24, 16750035), (27, 14888920), (30, 13400028), (36, 11166690), (40, 10050021), (45, 8933352), (54, 7444460), (60, 6700014), (72, 5583345), (90, 4466676), (108, 3722230), (120, 3350007), (135, 2977784), (180, 2233338), (216, 1861115), (270, 1488892), (360, 1116669), (540, 744446), (1080, 372223)]