165900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{79}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 555520

約数和(自身を除く): 389620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 79, 84, 100, 105, 140, 150, 158, 175, 210, 237, 300, 316, 350, 395, 420, 474, 525, 553, 700, 790, 948, 1050, 1106, 1185, 1580, 1659, 1975, 2100, 2212, 2370, 2765, 3318, 3950, 4740, 5530, 5925, 6636, 7900, 8295, 11060, 11850, 13825, 16590, 23700, 27650, 33180, 41475, 55300, 82950, 165900]

約数ペア:

[(1, 165900), (2, 82950), (3, 55300), (4, 41475), (5, 33180), (6, 27650), (7, 23700), (10, 16590), (12, 13825), (14, 11850), (15, 11060), (20, 8295), (21, 7900), (25, 6636), (28, 5925), (30, 5530), (35, 4740), (42, 3950), (50, 3318), (60, 2765), (70, 2370), (75, 2212), (79, 2100), (84, 1975), (100, 1659), (105, 1580), (140, 1185), (150, 1106), (158, 1050), (175, 948), (210, 790), (237, 700), (300, 553), (316, 525), (350, 474), (395, 420)]