748686420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{10477}}^1$

素因数の和:10889

約数の個数: 72

約数和(自身を含む): 2276953224

約数和(自身を除く): 1528266804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 397, 794, 1191, 1588, 1985, 2382, 3573, 3970, 4764, 5955, 7146, 7940, 10477, 11910, 14292, 17865, 20954, 23820, 31431, 35730, 41908, 52385, 62862, 71460, 94293, 104770, 125724, 157155, 188586, 209540, 314310, 377172, 471465, 628620, 942930, 1885860, 4159369, 8318738, 12478107, 16637476, 20796845, 24956214, 37434321, 41593690, 49912428, 62390535, 74868642, 83187380, 124781070, 149737284, 187171605, 249562140, 374343210, 748686420]

約数ペア:

[(1, 748686420), (2, 374343210), (3, 249562140), (4, 187171605), (5, 149737284), (6, 124781070), (9, 83187380), (10, 74868642), (12, 62390535), (15, 49912428), (18, 41593690), (20, 37434321), (30, 24956214), (36, 20796845), (45, 16637476), (60, 12478107), (90, 8318738), (180, 4159369), (397, 1885860), (794, 942930), (1191, 628620), (1588, 471465), (1985, 377172), (2382, 314310), (3573, 209540), (3970, 188586), (4764, 157155), (5955, 125724), (7146, 104770), (7940, 94293), (10477, 71460), (11910, 62862), (14292, 52385), (17865, 41908), (20954, 35730), (23820, 31431)]