72887920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5659}}^1$

素因数の和:5702

約数の個数: 80

約数和(自身を含む): 202129920

約数和(自身を除く): 129242000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 5659, 6440, 11318, 12880, 22636, 28295, 39613, 45272, 56590, 79226, 90544, 113180, 130157, 158452, 198065, 226360, 260314, 316904, 396130, 452720, 520628, 633808, 650785, 792260, 911099, 1041256, 1301570, 1584520, 1822198, 2082512, 2603140, 3169040, 3644396, 4555495, 5206280, 7288792, 9110990, 10412560, 14577584, 18221980, 36443960, 72887920]

約数ペア:

[(1, 72887920), (2, 36443960), (4, 18221980), (5, 14577584), (7, 10412560), (8, 9110990), (10, 7288792), (14, 5206280), (16, 4555495), (20, 3644396), (23, 3169040), (28, 2603140), (35, 2082512), (40, 1822198), (46, 1584520), (56, 1301570), (70, 1041256), (80, 911099), (92, 792260), (112, 650785), (115, 633808), (140, 520628), (161, 452720), (184, 396130), (230, 316904), (280, 260314), (322, 226360), (368, 198065), (460, 158452), (560, 130157), (644, 113180), (805, 90544), (920, 79226), (1288, 56590), (1610, 45272), (1840, 39613), (2576, 28295), (3220, 22636), (5659, 12880), (6440, 11318)]