123900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{59}}^1$

素因数の和:83

約数の個数: 72

約数和(自身を含む): 416640

約数和(自身を除く): 292740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 59, 60, 70, 75, 84, 100, 105, 118, 140, 150, 175, 177, 210, 236, 295, 300, 350, 354, 413, 420, 525, 590, 700, 708, 826, 885, 1050, 1180, 1239, 1475, 1652, 1770, 2065, 2100, 2478, 2950, 3540, 4130, 4425, 4956, 5900, 6195, 8260, 8850, 10325, 12390, 17700, 20650, 24780, 30975, 41300, 61950, 123900]

約数ペア:

[(1, 123900), (2, 61950), (3, 41300), (4, 30975), (5, 24780), (6, 20650), (7, 17700), (10, 12390), (12, 10325), (14, 8850), (15, 8260), (20, 6195), (21, 5900), (25, 4956), (28, 4425), (30, 4130), (35, 3540), (42, 2950), (50, 2478), (59, 2100), (60, 2065), (70, 1770), (75, 1652), (84, 1475), (100, 1239), (105, 1180), (118, 1050), (140, 885), (150, 826), (175, 708), (177, 700), (210, 590), (236, 525), (295, 420), (300, 413), (350, 354)]