123000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{41}}^1$

素因数の和:65

約数の個数: 64

約数和(自身を含む): 393120

約数和(自身を除く): 270120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 41, 50, 60, 75, 82, 100, 120, 123, 125, 150, 164, 200, 205, 246, 250, 300, 328, 375, 410, 492, 500, 600, 615, 750, 820, 984, 1000, 1025, 1230, 1500, 1640, 2050, 2460, 3000, 3075, 4100, 4920, 5125, 6150, 8200, 10250, 12300, 15375, 20500, 24600, 30750, 41000, 61500, 123000]

約数ペア:

[(1, 123000), (2, 61500), (3, 41000), (4, 30750), (5, 24600), (6, 20500), (8, 15375), (10, 12300), (12, 10250), (15, 8200), (20, 6150), (24, 5125), (25, 4920), (30, 4100), (40, 3075), (41, 3000), (50, 2460), (60, 2050), (75, 1640), (82, 1500), (100, 1230), (120, 1025), (123, 1000), (125, 984), (150, 820), (164, 750), (200, 615), (205, 600), (246, 500), (250, 492), (300, 410), (328, 375)]