31458840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2203}}^1$

素因数の和:2241

約数の個数: 128

約数和(自身を含む): 114255360

約数和(自身を除く): 82796520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 51, 56, 60, 68, 70, 84, 85, 102, 105, 119, 120, 136, 140, 168, 170, 204, 210, 238, 255, 280, 340, 357, 408, 420, 476, 510, 595, 680, 714, 840, 952, 1020, 1190, 1428, 1785, 2040, 2203, 2380, 2856, 3570, 4406, 4760, 6609, 7140, 8812, 11015, 13218, 14280, 15421, 17624, 22030, 26436, 30842, 33045, 37451, 44060, 46263, 52872, 61684, 66090, 74902, 77105, 88120, 92526, 112353, 123368, 132180, 149804, 154210, 185052, 187255, 224706, 231315, 262157, 264360, 299608, 308420, 370104, 374510, 449412, 462630, 524314, 561765, 616840, 749020, 786471, 898824, 925260, 1048628, 1123530, 1310785, 1498040, 1572942, 1850520, 2097256, 2247060, 2621570, 3145884, 3932355, 4494120, 5243140, 6291768, 7864710, 10486280, 15729420, 31458840]

約数ペア:

[(1, 31458840), (2, 15729420), (3, 10486280), (4, 7864710), (5, 6291768), (6, 5243140), (7, 4494120), (8, 3932355), (10, 3145884), (12, 2621570), (14, 2247060), (15, 2097256), (17, 1850520), (20, 1572942), (21, 1498040), (24, 1310785), (28, 1123530), (30, 1048628), (34, 925260), (35, 898824), (40, 786471), (42, 749020), (51, 616840), (56, 561765), (60, 524314), (68, 462630), (70, 449412), (84, 374510), (85, 370104), (102, 308420), (105, 299608), (119, 264360), (120, 262157), (136, 231315), (140, 224706), (168, 187255), (170, 185052), (204, 154210), (210, 149804), (238, 132180), (255, 123368), (280, 112353), (340, 92526), (357, 88120), (408, 77105), (420, 74902), (476, 66090), (510, 61684), (595, 52872), (680, 46263), (714, 44060), (840, 37451), (952, 33045), (1020, 30842), (1190, 26436), (1428, 22030), (1785, 17624), (2040, 15421), (2203, 14280), (2380, 13218), (2856, 11015), (3570, 8812), (4406, 7140), (4760, 6609)]