2748291280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{31259}}^1$

素因数の和:31436

約数の個数: 80

約数和(自身を含む): 7349351040

約数和(自身を除く): 4601059760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 157, 280, 314, 560, 628, 785, 1099, 1256, 1570, 2198, 2512, 3140, 4396, 5495, 6280, 8792, 10990, 12560, 17584, 21980, 31259, 43960, 62518, 87920, 125036, 156295, 218813, 250072, 312590, 437626, 500144, 625180, 875252, 1094065, 1250360, 1750504, 2188130, 2500720, 3501008, 4376260, 4907663, 8752520, 9815326, 17505040, 19630652, 24538315, 34353641, 39261304, 49076630, 68707282, 78522608, 98153260, 137414564, 171768205, 196306520, 274829128, 343536410, 392613040, 549658256, 687072820, 1374145640, 2748291280]

約数ペア:

[(1, 2748291280), (2, 1374145640), (4, 687072820), (5, 549658256), (7, 392613040), (8, 343536410), (10, 274829128), (14, 196306520), (16, 171768205), (20, 137414564), (28, 98153260), (35, 78522608), (40, 68707282), (56, 49076630), (70, 39261304), (80, 34353641), (112, 24538315), (140, 19630652), (157, 17505040), (280, 9815326), (314, 8752520), (560, 4907663), (628, 4376260), (785, 3501008), (1099, 2500720), (1256, 2188130), (1570, 1750504), (2198, 1250360), (2512, 1094065), (3140, 875252), (4396, 625180), (5495, 500144), (6280, 437626), (8792, 312590), (10990, 250072), (12560, 218813), (17584, 156295), (21980, 125036), (31259, 87920), (43960, 62518)]