30561720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{36383}}^1$

素因数の和:36404

約数の個数: 64

約数和(自身を含む): 104785920

約数和(自身を除く): 74224200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 36383, 72766, 109149, 145532, 181915, 218298, 254681, 291064, 363830, 436596, 509362, 545745, 727660, 764043, 873192, 1018724, 1091490, 1273405, 1455320, 1528086, 2037448, 2182980, 2546810, 3056172, 3820215, 4365960, 5093620, 6112344, 7640430, 10187240, 15280860, 30561720]

約数ペア:

[(1, 30561720), (2, 15280860), (3, 10187240), (4, 7640430), (5, 6112344), (6, 5093620), (7, 4365960), (8, 3820215), (10, 3056172), (12, 2546810), (14, 2182980), (15, 2037448), (20, 1528086), (21, 1455320), (24, 1273405), (28, 1091490), (30, 1018724), (35, 873192), (40, 764043), (42, 727660), (56, 545745), (60, 509362), (70, 436596), (84, 363830), (105, 291064), (120, 254681), (140, 218298), (168, 181915), (210, 145532), (280, 109149), (420, 72766), (840, 36383)]