64850100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{30881}}^1$

素因数の和:30905

約数の個数: 72

約数和(自身を含む): 214444608

約数和(自身を除く): 149594508

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, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 30881, 61762, 92643, 123524, 154405, 185286, 216167, 308810, 370572, 432334, 463215, 617620, 648501, 772025, 864668, 926430, 1080835, 1297002, 1544050, 1852860, 2161670, 2316075, 2594004, 3088100, 3242505, 4323340, 4632150, 5404175, 6485010, 9264300, 10808350, 12970020, 16212525, 21616700, 32425050, 64850100]

約数ペア:

[(1, 64850100), (2, 32425050), (3, 21616700), (4, 16212525), (5, 12970020), (6, 10808350), (7, 9264300), (10, 6485010), (12, 5404175), (14, 4632150), (15, 4323340), (20, 3242505), (21, 3088100), (25, 2594004), (28, 2316075), (30, 2161670), (35, 1852860), (42, 1544050), (50, 1297002), (60, 1080835), (70, 926430), (75, 864668), (84, 772025), (100, 648501), (105, 617620), (140, 463215), (150, 432334), (175, 370572), (210, 308810), (300, 216167), (350, 185286), (420, 154405), (525, 123524), (700, 92643), (1050, 61762), (2100, 30881)]