72884280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{86767}}^1$

素因数の和:86788

約数の個数: 64

約数和(自身を含む): 249891840

約数和(自身を除く): 177007560

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, 86767, 173534, 260301, 347068, 433835, 520602, 607369, 694136, 867670, 1041204, 1214738, 1301505, 1735340, 1822107, 2082408, 2429476, 2603010, 3036845, 3470680, 3644214, 4858952, 5206020, 6073690, 7288428, 9110535, 10412040, 12147380, 14576856, 18221070, 24294760, 36442140, 72884280]

約数ペア:

[(1, 72884280), (2, 36442140), (3, 24294760), (4, 18221070), (5, 14576856), (6, 12147380), (7, 10412040), (8, 9110535), (10, 7288428), (12, 6073690), (14, 5206020), (15, 4858952), (20, 3644214), (21, 3470680), (24, 3036845), (28, 2603010), (30, 2429476), (35, 2082408), (40, 1822107), (42, 1735340), (56, 1301505), (60, 1214738), (70, 1041204), (84, 867670), (105, 694136), (120, 607369), (140, 520602), (168, 433835), (210, 347068), (280, 260301), (420, 173534), (840, 86767)]