81809880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1013}}^1$

素因数の和:1700

約数の個数: 64

約数和(自身を含む): 246036960

約数和(自身を除く): 164227080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 673, 1013, 1346, 2019, 2026, 2692, 3039, 3365, 4038, 4052, 5065, 5384, 6078, 6730, 8076, 8104, 10095, 10130, 12156, 13460, 15195, 16152, 20190, 20260, 24312, 26920, 30390, 40380, 40520, 60780, 80760, 121560, 681749, 1363498, 2045247, 2726996, 3408745, 4090494, 5453992, 6817490, 8180988, 10226235, 13634980, 16361976, 20452470, 27269960, 40904940, 81809880]

約数ペア:

[(1, 81809880), (2, 40904940), (3, 27269960), (4, 20452470), (5, 16361976), (6, 13634980), (8, 10226235), (10, 8180988), (12, 6817490), (15, 5453992), (20, 4090494), (24, 3408745), (30, 2726996), (40, 2045247), (60, 1363498), (120, 681749), (673, 121560), (1013, 80760), (1346, 60780), (2019, 40520), (2026, 40380), (2692, 30390), (3039, 26920), (3365, 24312), (4038, 20260), (4052, 20190), (5065, 16152), (5384, 15195), (6078, 13460), (6730, 12156), (8076, 10130), (8104, 10095)]